./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--bluetooth--hci_uart.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:09:34,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:09:34,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:09:34,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:09:34,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:09:35,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:09:35,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:09:35,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:09:35,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:09:35,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:09:35,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:09:35,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:09:35,011 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:09:35,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:09:35,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:09:35,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:09:35,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:09:35,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:09:35,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:09:35,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:09:35,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:09:35,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:09:35,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:09:35,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:09:35,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:09:35,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:35,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:09:35,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:09:35,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:09:35,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:09:35,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:09:35,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:09:35,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:09:35,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:09:35,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:09:35,021 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:09:35,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2023-11-06 23:09:35,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:35,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:35,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:35,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:35,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:35,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2023-11-06 23:09:38,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:39,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:39,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2023-11-06 23:09:39,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/data/a366eee94/5e47005deada441594d8427a5e418da7/FLAGd90b9fdaf [2023-11-06 23:09:39,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/data/a366eee94/5e47005deada441594d8427a5e418da7 [2023-11-06 23:09:39,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:39,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:39,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:39,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:39,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:39,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:39" (1/1) ... [2023-11-06 23:09:39,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103a2ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:39, skipping insertion in model container [2023-11-06 23:09:39,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:39" (1/1) ... [2023-11-06 23:09:39,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:43,855 WARN L240 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_fec8ef2a-309b-4118-b819-a6ad3a06b388/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2023-11-06 23:09:43,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:43,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:44,137 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"); [6500] [2023-11-06 23:09:44,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6507] [2023-11-06 23:09:44,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6515-6516] [2023-11-06 23:09:44,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6524-6525] [2023-11-06 23:09:44,645 WARN L240 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_fec8ef2a-309b-4118-b819-a6ad3a06b388/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2023-11-06 23:09:44,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:45,049 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:45,057 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:45,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45 WrapperNode [2023-11-06 23:09:45,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:45,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:45,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:45,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:45,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,496 INFO L138 Inliner]: procedures = 490, calls = 4997, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7659 [2023-11-06 23:09:45,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:45,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:45,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:45,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:45,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:45,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:45,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:45,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:45,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (1/1) ... [2023-11-06 23:09:45,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:45,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:45,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:45,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8ef2a-309b-4118-b819-a6ad3a06b388/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-06 23:09:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-06 23:09:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2023-11-06 23:09:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2023-11-06 23:09:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 23:09:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 23:09:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-06 23:09:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-06 23:09:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2023-11-06 23:09:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2023-11-06 23:09:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 23:09:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 23:09:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:09:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:09:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2023-11-06 23:09:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2023-11-06 23:09:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2023-11-06 23:09:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2023-11-06 23:09:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-06 23:09:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-06 23:09:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 23:09:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 23:09:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:09:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:09:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2023-11-06 23:09:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2023-11-06 23:09:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2023-11-06 23:09:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2023-11-06 23:09:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-06 23:09:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-06 23:09:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 23:09:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2023-11-06 23:09:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2023-11-06 23:09:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 23:09:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 23:09:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 23:09:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 23:09:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2023-11-06 23:09:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2023-11-06 23:09:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-06 23:09:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-06 23:09:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:09:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2023-11-06 23:09:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2023-11-06 23:09:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-06 23:09:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-06 23:09:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2023-11-06 23:09:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2023-11-06 23:09:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2023-11-06 23:09:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2023-11-06 23:09:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2023-11-06 23:09:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:09:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 23:09:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 23:09:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:09:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2023-11-06 23:09:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2023-11-06 23:09:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-06 23:09:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-06 23:09:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2023-11-06 23:09:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2023-11-06 23:09:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:09:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2023-11-06 23:09:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2023-11-06 23:09:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2023-11-06 23:09:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2023-11-06 23:09:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 23:09:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 23:09:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2023-11-06 23:09:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2023-11-06 23:09:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 23:09:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 23:09:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2023-11-06 23:09:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2023-11-06 23:09:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2023-11-06 23:09:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2023-11-06 23:09:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2023-11-06 23:09:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-06 23:09:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-06 23:09:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2023-11-06 23:09:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2023-11-06 23:09:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2023-11-06 23:09:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2023-11-06 23:09:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2023-11-06 23:09:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2023-11-06 23:09:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 23:09:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 23:09:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2023-11-06 23:09:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2023-11-06 23:09:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:09:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-06 23:09:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-06 23:09:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-06 23:09:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-06 23:09:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2023-11-06 23:09:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2023-11-06 23:09:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 23:09:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 23:09:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:09:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:09:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:09:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-06 23:09:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-06 23:09:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2023-11-06 23:09:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2023-11-06 23:09:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2023-11-06 23:09:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2023-11-06 23:09:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:09:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:09:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2023-11-06 23:09:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2023-11-06 23:09:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2023-11-06 23:09:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2023-11-06 23:09:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 23:09:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 23:09:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2023-11-06 23:09:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2023-11-06 23:09:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2023-11-06 23:09:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2023-11-06 23:09:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2023-11-06 23:09:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2023-11-06 23:09:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2023-11-06 23:09:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2023-11-06 23:09:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2023-11-06 23:09:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2023-11-06 23:09:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-06 23:09:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-06 23:09:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 23:09:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 23:09:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2023-11-06 23:09:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2023-11-06 23:09:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 23:09:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 23:09:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2023-11-06 23:09:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2023-11-06 23:09:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 23:09:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 23:09:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2023-11-06 23:09:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2023-11-06 23:09:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 23:09:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 23:09:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2023-11-06 23:09:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2023-11-06 23:09:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:09:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:09:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2023-11-06 23:09:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2023-11-06 23:09:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-06 23:09:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-06 23:09:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:09:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:09:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 23:09:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 23:09:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2023-11-06 23:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2023-11-06 23:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-06 23:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-06 23:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-06 23:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-06 23:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2023-11-06 23:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2023-11-06 23:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure bt_err [2023-11-06 23:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_err [2023-11-06 23:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2023-11-06 23:09:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2023-11-06 23:09:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2023-11-06 23:09:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2023-11-06 23:09:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2023-11-06 23:09:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2023-11-06 23:09:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2023-11-06 23:09:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2023-11-06 23:09:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 23:09:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 23:09:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2023-11-06 23:09:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2023-11-06 23:09:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:09:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:09:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2023-11-06 23:09:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2023-11-06 23:09:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-11-06 23:09:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-11-06 23:09:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:09:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:09:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2023-11-06 23:09:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2023-11-06 23:09:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 23:09:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 23:09:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 23:09:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 23:09:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2023-11-06 23:09:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2023-11-06 23:09:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2023-11-06 23:09:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2023-11-06 23:09:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2023-11-06 23:09:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 23:09:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:09:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-06 23:09:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-06 23:09:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-06 23:09:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-06 23:09:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 23:09:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 23:09:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2023-11-06 23:09:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2023-11-06 23:09:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:09:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2023-11-06 23:09:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2023-11-06 23:09:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-06 23:09:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-06 23:09:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2023-11-06 23:09:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2023-11-06 23:09:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-06 23:09:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-06 23:09:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2023-11-06 23:09:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2023-11-06 23:09:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2023-11-06 23:09:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2023-11-06 23:09:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 23:09:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 23:09:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 23:09:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 23:09:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-06 23:09:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-06 23:09:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2023-11-06 23:09:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2023-11-06 23:09:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2023-11-06 23:09:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2023-11-06 23:09:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2023-11-06 23:09:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2023-11-06 23:09:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2023-11-06 23:09:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2023-11-06 23:09:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 23:09:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 23:09:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2023-11-06 23:09:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2023-11-06 23:09:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2023-11-06 23:09:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2023-11-06 23:09:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2023-11-06 23:09:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2023-11-06 23:09:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2023-11-06 23:09:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2023-11-06 23:09:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2023-11-06 23:09:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2023-11-06 23:09:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 23:09:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 23:09:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2023-11-06 23:09:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2023-11-06 23:09:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2023-11-06 23:09:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2023-11-06 23:09:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 23:09:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 23:09:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2023-11-06 23:09:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2023-11-06 23:09:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 23:09:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 23:09:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2023-11-06 23:09:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2023-11-06 23:09:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:09:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:09:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:09:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-06 23:09:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-06 23:09:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-06 23:09:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-06 23:09:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 23:09:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 23:09:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 23:09:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 23:09:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2023-11-06 23:09:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2023-11-06 23:09:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2023-11-06 23:09:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2023-11-06 23:09:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2023-11-06 23:09:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2023-11-06 23:09:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2023-11-06 23:09:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2023-11-06 23:09:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 23:09:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 23:09:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 23:09:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2023-11-06 23:09:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2023-11-06 23:09:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2023-11-06 23:09:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2023-11-06 23:09:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2023-11-06 23:09:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2023-11-06 23:09:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 23:09:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-06 23:09:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 23:09:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2023-11-06 23:09:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2023-11-06 23:09:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2023-11-06 23:09:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 23:09:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:09:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-06 23:09:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure bt_info [2023-11-06 23:09:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_info [2023-11-06 23:09:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2023-11-06 23:09:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2023-11-06 23:09:47,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:47,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:48,071 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 23:10:01,122 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:01,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:01,156 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:10:01,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:01 BoogieIcfgContainer [2023-11-06 23:10:01,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:01,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:01,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:01,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:01,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:39" (1/3) ... [2023-11-06 23:10:01,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63487011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:01, skipping insertion in model container [2023-11-06 23:10:01,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:45" (2/3) ... [2023-11-06 23:10:01,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63487011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:01, skipping insertion in model container [2023-11-06 23:10:01,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:01" (3/3) ... [2023-11-06 23:10:01,175 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2023-11-06 23:10:01,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:01,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:10:01,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:01,342 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7e32cf0c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:01,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:10:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 2950 states, 1960 states have (on average 1.3622448979591837) internal successors, (2670), 2076 states have internal predecessors, (2670), 838 states have call successors, (838), 151 states have call predecessors, (838), 150 states have return successors, (828), 813 states have call predecessors, (828), 828 states have call successors, (828) [2023-11-06 23:10:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 23:10:01,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:01,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:01,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:01,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash -354131281, now seen corresponding path program 1 times [2023-11-06 23:10:01,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:01,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130825243] [2023-11-06 23:10:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:01,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:10:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:10:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:02,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:02,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130825243] [2023-11-06 23:10:02,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130825243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:02,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:02,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:10:02,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691253403] [2023-11-06 23:10:02,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:02,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:10:02,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:02,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:10:02,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:10:02,707 INFO L87 Difference]: Start difference. First operand has 2950 states, 1960 states have (on average 1.3622448979591837) internal successors, (2670), 2076 states have internal predecessors, (2670), 838 states have call successors, (838), 151 states have call predecessors, (838), 150 states have return successors, (828), 813 states have call predecessors, (828), 828 states have call successors, (828) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:07,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:09,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:11,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:13,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:20,083 INFO L93 Difference]: Finished difference Result 6249 states and 9539 transitions. [2023-11-06 23:10:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:10:20,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2023-11-06 23:10:20,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:20,162 INFO L225 Difference]: With dead ends: 6249 [2023-11-06 23:10:20,162 INFO L226 Difference]: Without dead ends: 3262 [2023-11-06 23:10:20,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:20,205 INFO L413 NwaCegarLoop]: 3897 mSDtfsCounter, 811 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 924 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 9539 SdHoareTripleChecker+Invalid, 3338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:20,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 9539 Invalid, 3338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 2411 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2023-11-06 23:10:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2023-11-06 23:10:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2900. [2023-11-06 23:10:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 1932 states have (on average 1.3555900621118013) internal successors, (2619), 2035 states have internal predecessors, (2619), 819 states have call successors, (819), 149 states have call predecessors, (819), 148 states have return successors, (818), 803 states have call predecessors, (818), 818 states have call successors, (818) [2023-11-06 23:10:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4256 transitions. [2023-11-06 23:10:20,576 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4256 transitions. Word has length 56 [2023-11-06 23:10:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:20,579 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 4256 transitions. [2023-11-06 23:10:20,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:10:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4256 transitions. [2023-11-06 23:10:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 23:10:20,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:20,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:20,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:10:20,596 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:20,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:20,597 INFO L85 PathProgramCache]: Analyzing trace with hash -501114300, now seen corresponding path program 1 times [2023-11-06 23:10:20,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:20,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043236307] [2023-11-06 23:10:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:20,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:10:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:10:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:10:22,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:22,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043236307] [2023-11-06 23:10:22,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043236307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:22,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:22,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:22,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7429230] [2023-11-06 23:10:22,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:22,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:22,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:22,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:22,053 INFO L87 Difference]: Start difference. First operand 2900 states and 4256 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:10:27,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:29,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:31,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:40,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:40,821 INFO L93 Difference]: Finished difference Result 6484 states and 9690 transitions. [2023-11-06 23:10:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:40,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2023-11-06 23:10:40,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:40,863 INFO L225 Difference]: With dead ends: 6484 [2023-11-06 23:10:40,864 INFO L226 Difference]: Without dead ends: 3590 [2023-11-06 23:10:40,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:40,893 INFO L413 NwaCegarLoop]: 3903 mSDtfsCounter, 4461 mSDsluCounter, 6153 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 1393 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4922 SdHoareTripleChecker+Valid, 10056 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1393 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:40,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4922 Valid, 10056 Invalid, 4129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1393 Valid, 2733 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2023-11-06 23:10:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2023-11-06 23:10:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3213. [2023-11-06 23:10:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 2159 states have (on average 1.3520148216767023) internal successors, (2919), 2262 states have internal predecessors, (2919), 871 states have call successors, (871), 183 states have call predecessors, (871), 182 states have return successors, (870), 855 states have call predecessors, (870), 870 states have call successors, (870) [2023-11-06 23:10:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4660 transitions. [2023-11-06 23:10:41,132 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4660 transitions. Word has length 57 [2023-11-06 23:10:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:41,133 INFO L495 AbstractCegarLoop]: Abstraction has 3213 states and 4660 transitions. [2023-11-06 23:10:41,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:10:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4660 transitions. [2023-11-06 23:10:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 23:10:41,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:41,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:10:41,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:10:41,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:41,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1236253434, now seen corresponding path program 1 times [2023-11-06 23:10:41,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:41,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099798104] [2023-11-06 23:10:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:41,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:10:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:10:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:10:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:10:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:10:42,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:42,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099798104] [2023-11-06 23:10:42,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099798104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:42,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:42,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:10:42,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793682508] [2023-11-06 23:10:42,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:42,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:10:42,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:42,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:10:42,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:10:42,990 INFO L87 Difference]: Start difference. First operand 3213 states and 4660 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 23:10:50,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:52,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:54,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:56,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:10:58,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:02,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:08,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:10,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:30,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:30,154 INFO L93 Difference]: Finished difference Result 7419 states and 11097 transitions. [2023-11-06 23:11:30,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:11:30,156 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 76 [2023-11-06 23:11:30,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:30,197 INFO L225 Difference]: With dead ends: 7419 [2023-11-06 23:11:30,198 INFO L226 Difference]: Without dead ends: 4212 [2023-11-06 23:11:30,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:11:30,220 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 3000 mSDsluCounter, 14989 mSDsCounter, 0 mSdLazyCounter, 14116 mSolverCounterSat, 2211 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 17633 SdHoareTripleChecker+Invalid, 16334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2211 IncrementalHoareTripleChecker+Valid, 14116 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:30,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 17633 Invalid, 16334 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2211 Valid, 14116 Invalid, 7 Unknown, 0 Unchecked, 46.4s Time] [2023-11-06 23:11:30,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4212 states. [2023-11-06 23:11:30,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4212 to 3220. [2023-11-06 23:11:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 2164 states have (on average 1.3512014787430684) internal successors, (2924), 2267 states have internal predecessors, (2924), 871 states have call successors, (871), 183 states have call predecessors, (871), 184 states have return successors, (875), 857 states have call predecessors, (875), 870 states have call successors, (875) [2023-11-06 23:11:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4670 transitions. [2023-11-06 23:11:30,474 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4670 transitions. Word has length 76 [2023-11-06 23:11:30,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:30,475 INFO L495 AbstractCegarLoop]: Abstraction has 3220 states and 4670 transitions. [2023-11-06 23:11:30,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 23:11:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4670 transitions. [2023-11-06 23:11:30,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 23:11:30,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:30,562 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:30,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:30,562 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:30,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:30,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1951221111, now seen corresponding path program 1 times [2023-11-06 23:11:30,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:30,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486489246] [2023-11-06 23:11:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:11:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 23:11:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 23:11:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 23:11:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 23:11:31,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:31,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486489246] [2023-11-06 23:11:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486489246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:31,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:31,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:11:31,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288093041] [2023-11-06 23:11:31,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:31,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:31,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:31,138 INFO L87 Difference]: Start difference. First operand 3220 states and 4670 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 23:11:35,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:37,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:39,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:11:54,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:54,036 INFO L93 Difference]: Finished difference Result 7419 states and 11090 transitions. [2023-11-06 23:11:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:11:54,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2023-11-06 23:11:54,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:54,079 INFO L225 Difference]: With dead ends: 7419 [2023-11-06 23:11:54,079 INFO L226 Difference]: Without dead ends: 4205 [2023-11-06 23:11:54,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:11:54,100 INFO L413 NwaCegarLoop]: 2596 mSDtfsCounter, 6593 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 5848 mSolverCounterSat, 4271 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7015 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 10122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4271 IncrementalHoareTripleChecker+Valid, 5848 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:54,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7015 Valid, 7944 Invalid, 10122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4271 Valid, 5848 Invalid, 3 Unknown, 0 Unchecked, 22.4s Time] [2023-11-06 23:11:54,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4205 states. [2023-11-06 23:11:54,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 3222. [2023-11-06 23:11:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 2166 states have (on average 1.350415512465374) internal successors, (2925), 2269 states have internal predecessors, (2925), 871 states have call successors, (871), 183 states have call predecessors, (871), 184 states have return successors, (875), 857 states have call predecessors, (875), 870 states have call successors, (875) [2023-11-06 23:11:54,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 4671 transitions. [2023-11-06 23:11:54,368 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 4671 transitions. Word has length 83 [2023-11-06 23:11:54,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:54,369 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 4671 transitions. [2023-11-06 23:11:54,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 23:11:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4671 transitions. [2023-11-06 23:11:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 23:11:54,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:54,385 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:54,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:54,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:54,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1123142302, now seen corresponding path program 1 times [2023-11-06 23:11:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:54,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461429181] [2023-11-06 23:11:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:11:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:11:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:11:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:11:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:11:56,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:56,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461429181] [2023-11-06 23:11:56,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461429181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:56,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:56,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:11:56,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503083961] [2023-11-06 23:11:56,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:56,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:11:56,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:56,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:11:56,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:56,015 INFO L87 Difference]: Start difference. First operand 3222 states and 4671 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 23:12:03,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:05,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:07,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:09,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:11,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:13,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:15,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:21,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:42,570 INFO L93 Difference]: Finished difference Result 7427 states and 11098 transitions. [2023-11-06 23:12:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:12:42,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 85 [2023-11-06 23:12:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:42,621 INFO L225 Difference]: With dead ends: 7427 [2023-11-06 23:12:42,621 INFO L226 Difference]: Without dead ends: 4211 [2023-11-06 23:12:42,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:12:42,644 INFO L413 NwaCegarLoop]: 2637 mSDtfsCounter, 2991 mSDsluCounter, 14991 mSDsCounter, 0 mSdLazyCounter, 13971 mSolverCounterSat, 2217 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3475 SdHoareTripleChecker+Valid, 17628 SdHoareTripleChecker+Invalid, 16195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2217 IncrementalHoareTripleChecker+Valid, 13971 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:42,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3475 Valid, 17628 Invalid, 16195 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2217 Valid, 13971 Invalid, 7 Unknown, 0 Unchecked, 45.8s Time] [2023-11-06 23:12:42,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2023-11-06 23:12:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 3224. [2023-11-06 23:12:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3224 states, 2168 states have (on average 1.3500922509225093) internal successors, (2927), 2270 states have internal predecessors, (2927), 871 states have call successors, (871), 183 states have call predecessors, (871), 184 states have return successors, (875), 858 states have call predecessors, (875), 870 states have call successors, (875) [2023-11-06 23:12:43,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 4673 transitions. [2023-11-06 23:12:43,003 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 4673 transitions. Word has length 85 [2023-11-06 23:12:43,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:43,004 INFO L495 AbstractCegarLoop]: Abstraction has 3224 states and 4673 transitions. [2023-11-06 23:12:43,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-06 23:12:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 4673 transitions. [2023-11-06 23:12:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 23:12:43,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:43,031 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2023-11-06 23:12:43,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:12:43,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:43,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1453010931, now seen corresponding path program 1 times [2023-11-06 23:12:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:43,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689734432] [2023-11-06 23:12:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:12:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:12:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 23:12:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:12:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 23:12:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 23:12:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 23:12:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 23:12:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:12:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:12:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:12:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:12:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-06 23:12:43,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:43,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689734432] [2023-11-06 23:12:43,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689734432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:43,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:43,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:43,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632138021] [2023-11-06 23:12:43,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:43,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:43,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:43,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:43,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:43,816 INFO L87 Difference]: Start difference. First operand 3224 states and 4673 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 23:12:49,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:51,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:53,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:55,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:57,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:01,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []