./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--tty--serial--jsm--jsm.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_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/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_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/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--tty--serial--jsm--jsm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/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_0f91d56b-e645-4956-8cb4-e5048a6d537f/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 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:41,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:41,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:53:41,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:41,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:41,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:41,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:41,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:41,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:41,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:41,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:41,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:41,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:41,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:41,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:41,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:41,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:41,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:41,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:41,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:41,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:41,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:41,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:41,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:41,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:41,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:41,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:41,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:41,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:41,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:41,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:41,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:41,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:41,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:41,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:41,935 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:41,935 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_0f91d56b-e645-4956-8cb4-e5048a6d537f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 [2023-11-06 22:53:42,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:42,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:42,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:42,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:42,284 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:42,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-06 22:53:45,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:46,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:46,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-06 22:53:46,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/data/57c4cc4fb/4cf47b42f05e4f95bfed4eccaabeab16/FLAGe4d2da5a7 [2023-11-06 22:53:46,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/data/57c4cc4fb/4cf47b42f05e4f95bfed4eccaabeab16 [2023-11-06 22:53:46,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:46,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:46,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:46,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:46,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:46,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:46" (1/1) ... [2023-11-06 22:53:46,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3cb1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:46, skipping insertion in model container [2023-11-06 22:53:46,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:46" (1/1) ... [2023-11-06 22:53:47,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:49,827 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_0f91d56b-e645-4956-8cb4-e5048a6d537f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2023-11-06 22:53:49,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:49,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:50,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4011] [2023-11-06 22:53:50,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4743] [2023-11-06 22:53:50,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4751] [2023-11-06 22:53:50,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4758] [2023-11-06 22:53:50,319 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"); [6660] [2023-11-06 22:53:50,321 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)); [6667] [2023-11-06 22:53:50,590 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_0f91d56b-e645-4956-8cb4-e5048a6d537f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2023-11-06 22:53:50,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:50,856 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:50,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50 WrapperNode [2023-11-06 22:53:50,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:50,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:50,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:50,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:50,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,469 INFO L138 Inliner]: procedures = 219, calls = 4403, calls flagged for inlining = 78, calls inlined = 75, statements flattened = 8305 [2023-11-06 22:53:51,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:51,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:51,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:51,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:51,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:51,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:52,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:52,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:52,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:52,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:52,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:52,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (1/1) ... [2023-11-06 22:53:52,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:52,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:52,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:52,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f91d56b-e645-4956-8cb4-e5048a6d537f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2023-11-06 22:53:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2023-11-06 22:53:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_request_port [2023-11-06 22:53:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_request_port [2023-11-06 22:53:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:53:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:53:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 22:53:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 22:53:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:53:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:53:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:53:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:53:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2023-11-06 22:53:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2023-11-06 22:53:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-11-06 22:53:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-11-06 22:53:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 22:53:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 22:53:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2023-11-06 22:53:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2023-11-06 22:53:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:53:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:53:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2023-11-06 22:53:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2023-11-06 22:53:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-06 22:53:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-06 22:53:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2023-11-06 22:53:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2023-11-06 22:53:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2023-11-06 22:53:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2023-11-06 22:53:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_send_xchar [2023-11-06 22:53:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_send_xchar [2023-11-06 22:53:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-06 22:53:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-06 22:53:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 22:53:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 22:53:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2023-11-06 22:53:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2023-11-06 22:53:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-11-06 22:53:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-11-06 22:53:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:53:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:53:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_rx [2023-11-06 22:53:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_rx [2023-11-06 22:53:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-11-06 22:53:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-11-06 22:53:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2023-11-06 22:53:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2023-11-06 22:53:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_release_port [2023-11-06 22:53:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_release_port [2023-11-06 22:53:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_type [2023-11-06 22:53:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_type [2023-11-06 22:53:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:53:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:53:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:53:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:53:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2023-11-06 22:53:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2023-11-06 22:53:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:53:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:53:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2023-11-06 22:53:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2023-11-06 22:53:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2023-11-06 22:53:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2023-11-06 22:53:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure cls_intr [2023-11-06 22:53:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_intr [2023-11-06 22:53:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:53:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_uart_port_init [2023-11-06 22:53:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_uart_port_init [2023-11-06 22:53:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2023-11-06 22:53:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2023-11-06 22:53:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:53:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2023-11-06 22:53:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2023-11-06 22:53:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 22:53:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 22:53:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2023-11-06 22:53:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2023-11-06 22:53:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-06 22:53:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-06 22:53:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:53:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:53:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_one [2023-11-06 22:53:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_one [2023-11-06 22:53:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_close [2023-11-06 22:53:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_close [2023-11-06 22:53:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_termios [2023-11-06 22:53:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_termios [2023-11-06 22:53:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:53:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 22:53:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 22:53:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:53:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure neo_intr [2023-11-06 22:53:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_intr [2023-11-06 22:53:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2023-11-06 22:53:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2023-11-06 22:53:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:53:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:53:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:53:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:53:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:53:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:53:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure cls_clear_break [2023-11-06 22:53:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_clear_break [2023-11-06 22:53:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_config_port [2023-11-06 22:53:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_config_port [2023-11-06 22:53:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 22:53:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 22:53:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:53:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2023-11-06 22:53:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2023-11-06 22:53:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-06 22:53:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-06 22:53:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_dcd_change [2023-11-06 22:53:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_dcd_change [2023-11-06 22:53:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:53:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:53:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2023-11-06 22:53:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2023-11-06 22:53:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:53:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_resume [2023-11-06 22:53:52,303 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_resume [2023-11-06 22:53:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_error_detected [2023-11-06 22:53:52,304 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_error_detected [2023-11-06 22:53:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:53:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2023-11-06 22:53:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2023-11-06 22:53:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2023-11-06 22:53:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2023-11-06 22:53:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2023-11-06 22:53:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2023-11-06 22:53:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:53:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:53:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2023-11-06 22:53:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2023-11-06 22:53:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2023-11-06 22:53:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2023-11-06 22:53:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2023-11-06 22:53:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2023-11-06 22:53:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2023-11-06 22:53:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2023-11-06 22:53:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:53:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:53:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2023-11-06 22:53:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2023-11-06 22:53:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:53:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_slot_reset [2023-11-06 22:53:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_slot_reset [2023-11-06 22:53:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:53:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:53:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_open [2023-11-06 22:53:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_open [2023-11-06 22:53:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 22:53:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 22:53:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2023-11-06 22:53:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2023-11-06 22:53:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:53:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_tx_empty [2023-11-06 22:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_tx_empty [2023-11-06 22:53:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_get_mctrl [2023-11-06 22:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_get_mctrl [2023-11-06 22:53:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:53:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2023-11-06 22:53:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2023-11-06 22:53:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:53:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2023-11-06 22:53:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2023-11-06 22:53:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 22:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 22:53:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2023-11-06 22:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2023-11-06 22:53:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 22:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 22:53:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:53:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:53:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_carrier [2023-11-06 22:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_carrier [2023-11-06 22:53:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_tx [2023-11-06 22:53:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_tx [2023-11-06 22:53:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:53:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:53:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2023-11-06 22:53:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2023-11-06 22:53:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_start_tx [2023-11-06 22:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_start_tx [2023-11-06 22:53:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2023-11-06 22:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2023-11-06 22:53:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2023-11-06 22:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2023-11-06 22:53:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_uart_port [2023-11-06 22:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_uart_port [2023-11-06 22:53:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:53:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2023-11-06 22:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2023-11-06 22:53:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2023-11-06 22:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2023-11-06 22:53:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2023-11-06 22:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2023-11-06 22:53:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_write [2023-11-06 22:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_write [2023-11-06 22:53:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_mctrl [2023-11-06 22:53:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_mctrl [2023-11-06 22:53:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_break [2023-11-06 22:53:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_break [2023-11-06 22:53:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_check_queue_flow_control [2023-11-06 22:53:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_check_queue_flow_control [2023-11-06 22:53:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2023-11-06 22:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2023-11-06 22:53:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2023-11-06 22:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2023-11-06 22:53:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2023-11-06 22:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2023-11-06 22:53:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2023-11-06 22:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2023-11-06 22:53:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure neo_clear_break [2023-11-06 22:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_clear_break [2023-11-06 22:53:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-06 22:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-06 22:53:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2023-11-06 22:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2023-11-06 22:53:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-06 22:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-06 22:53:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:53,350 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:53,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:53,643 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:54:11,383 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:11,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:11,422 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:54:11,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:11 BoogieIcfgContainer [2023-11-06 22:54:11,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:11,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:11,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:11,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:11,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:46" (1/3) ... [2023-11-06 22:54:11,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac25452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:11, skipping insertion in model container [2023-11-06 22:54:11,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:50" (2/3) ... [2023-11-06 22:54:11,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac25452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:11, skipping insertion in model container [2023-11-06 22:54:11,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:11" (3/3) ... [2023-11-06 22:54:11,440 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-06 22:54:11,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:11,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:11,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:11,654 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;@476c081e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:11,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:11,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 3516 states, 2676 states have (on average 1.5239162929745889) internal successors, (4078), 2752 states have internal predecessors, (4078), 732 states have call successors, (732), 107 states have call predecessors, (732), 106 states have return successors, (725), 683 states have call predecessors, (725), 725 states have call successors, (725) [2023-11-06 22:54:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:54:11,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:11,708 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] [2023-11-06 22:54:11,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:11,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash -814142796, now seen corresponding path program 1 times [2023-11-06 22:54:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:11,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436111759] [2023-11-06 22:54:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:54:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:54:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:54:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:54:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:14,063 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 22:54:14,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:14,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436111759] [2023-11-06 22:54:14,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436111759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:14,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:14,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:54:14,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612946843] [2023-11-06 22:54:14,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:14,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:14,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:14,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:14,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:14,149 INFO L87 Difference]: Start difference. First operand has 3516 states, 2676 states have (on average 1.5239162929745889) internal successors, (4078), 2752 states have internal predecessors, (4078), 732 states have call successors, (732), 107 states have call predecessors, (732), 106 states have return successors, (725), 683 states have call predecessors, (725), 725 states have call successors, (725) Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:54:22,092 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 22:54:24,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:26,109 WARN L539 Checker$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 22:54:28,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:30,124 WARN L539 Checker$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 22:54:38,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:40,671 WARN L539 Checker$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 22:54:42,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:44,695 WARN L539 Checker$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 22:55:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:18,749 INFO L93 Difference]: Finished difference Result 11965 states and 19439 transitions. [2023-11-06 22:55:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:55:18,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-11-06 22:55:18,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:18,903 INFO L225 Difference]: With dead ends: 11965 [2023-11-06 22:55:18,903 INFO L226 Difference]: Without dead ends: 8419 [2023-11-06 22:55:18,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:55:18,965 INFO L413 NwaCegarLoop]: 8012 mSDtfsCounter, 8061 mSDsluCounter, 18883 mSDsCounter, 0 mSdLazyCounter, 9529 mSolverCounterSat, 2780 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8628 SdHoareTripleChecker+Valid, 26895 SdHoareTripleChecker+Invalid, 12318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2780 IncrementalHoareTripleChecker+Valid, 9529 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:18,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8628 Valid, 26895 Invalid, 12318 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2780 Valid, 9529 Invalid, 9 Unknown, 0 Unchecked, 63.1s Time] [2023-11-06 22:55:19,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8419 states. [2023-11-06 22:55:19,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8419 to 6759. [2023-11-06 22:55:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6759 states, 5146 states have (on average 1.4966964632724447) internal successors, (7702), 5276 states have internal predecessors, (7702), 1407 states have call successors, (1407), 206 states have call predecessors, (1407), 205 states have return successors, (1406), 1324 states have call predecessors, (1406), 1406 states have call successors, (1406) [2023-11-06 22:55:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 10515 transitions. [2023-11-06 22:55:19,857 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 10515 transitions. Word has length 49 [2023-11-06 22:55:19,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:19,858 INFO L495 AbstractCegarLoop]: Abstraction has 6759 states and 10515 transitions. [2023-11-06 22:55:19,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 22:55:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 10515 transitions. [2023-11-06 22:55:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:55:19,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:19,872 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:55:19,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:55:19,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:19,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:19,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1417070683, now seen corresponding path program 1 times [2023-11-06 22:55:19,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:19,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782158123] [2023-11-06 22:55:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:19,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:55:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:55:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:55:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:55:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-06 22:55:21,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:21,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782158123] [2023-11-06 22:55:21,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782158123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:21,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:21,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:55:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272028084] [2023-11-06 22:55:21,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:21,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:55:21,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:21,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:55:21,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:21,410 INFO L87 Difference]: Start difference. First operand 6759 states and 10515 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:55:25,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:55:27,314 WARN L539 Checker$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 22:55:29,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:55:31,330 WARN L539 Checker$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 22:55:33,336 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 22:55:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:47,281 INFO L93 Difference]: Finished difference Result 15169 states and 23871 transitions. [2023-11-06 22:55:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:47,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 83 [2023-11-06 22:55:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:47,388 INFO L225 Difference]: With dead ends: 15169 [2023-11-06 22:55:47,388 INFO L226 Difference]: Without dead ends: 8415 [2023-11-06 22:55:47,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:55:47,441 INFO L413 NwaCegarLoop]: 4683 mSDtfsCounter, 3919 mSDsluCounter, 7928 mSDsCounter, 0 mSdLazyCounter, 3693 mSolverCounterSat, 3014 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3991 SdHoareTripleChecker+Valid, 12611 SdHoareTripleChecker+Invalid, 6712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3014 IncrementalHoareTripleChecker+Valid, 3693 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:47,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3991 Valid, 12611 Invalid, 6712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3014 Valid, 3693 Invalid, 5 Unknown, 0 Unchecked, 25.2s Time] [2023-11-06 22:55:47,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8415 states. [2023-11-06 22:55:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8415 to 6759. [2023-11-06 22:55:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6759 states, 5146 states have (on average 1.4963078118927322) internal successors, (7700), 5276 states have internal predecessors, (7700), 1407 states have call successors, (1407), 206 states have call predecessors, (1407), 205 states have return successors, (1406), 1324 states have call predecessors, (1406), 1406 states have call successors, (1406) [2023-11-06 22:55:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 10513 transitions. [2023-11-06 22:55:48,072 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 10513 transitions. Word has length 83 [2023-11-06 22:55:48,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:48,074 INFO L495 AbstractCegarLoop]: Abstraction has 6759 states and 10513 transitions. [2023-11-06 22:55:48,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:55:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 10513 transitions. [2023-11-06 22:55:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:55:48,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:48,094 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:48,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:55:48,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:48,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:48,095 INFO L85 PathProgramCache]: Analyzing trace with hash 44864189, now seen corresponding path program 1 times [2023-11-06 22:55:48,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:48,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146334485] [2023-11-06 22:55:48,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:55:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:55:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 22:55:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:55:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:55:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:55:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:55:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:55:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-06 22:55:49,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:49,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146334485] [2023-11-06 22:55:49,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146334485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:49,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:49,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:55:49,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193761746] [2023-11-06 22:55:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:49,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:55:49,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:55:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:55:49,863 INFO L87 Difference]: Start difference. First operand 6759 states and 10513 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:55:56,170 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 22:55:58,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:00,183 WARN L539 Checker$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 22:56:02,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:15,771 WARN L539 Checker$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 22:56:17,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:19,784 WARN L539 Checker$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 22:56:21,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:23,806 WARN L539 Checker$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 22:56:36,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:40,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:40,037 INFO L93 Difference]: Finished difference Result 22265 states and 35055 transitions. [2023-11-06 22:56:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:56:40,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 133 [2023-11-06 22:56:40,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:40,181 INFO L225 Difference]: With dead ends: 22265 [2023-11-06 22:56:40,182 INFO L226 Difference]: Without dead ends: 15513 [2023-11-06 22:56:40,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:56:40,224 INFO L413 NwaCegarLoop]: 4988 mSDtfsCounter, 8959 mSDsluCounter, 13265 mSDsCounter, 0 mSdLazyCounter, 6505 mSolverCounterSat, 3991 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9493 SdHoareTripleChecker+Valid, 18253 SdHoareTripleChecker+Invalid, 10505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3991 IncrementalHoareTripleChecker+Valid, 6505 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:40,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9493 Valid, 18253 Invalid, 10505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3991 Valid, 6505 Invalid, 9 Unknown, 0 Unchecked, 49.1s Time] [2023-11-06 22:56:40,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15513 states. [2023-11-06 22:56:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15513 to 12481. [2023-11-06 22:56:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12481 states, 9512 states have (on average 1.4958999158957107) internal successors, (14229), 9768 states have internal predecessors, (14229), 2587 states have call successors, (2587), 382 states have call predecessors, (2587), 381 states have return successors, (2586), 2420 states have call predecessors, (2586), 2586 states have call successors, (2586) [2023-11-06 22:56:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12481 states to 12481 states and 19402 transitions. [2023-11-06 22:56:41,294 INFO L78 Accepts]: Start accepts. Automaton has 12481 states and 19402 transitions. Word has length 133 [2023-11-06 22:56:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:41,296 INFO L495 AbstractCegarLoop]: Abstraction has 12481 states and 19402 transitions. [2023-11-06 22:56:41,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:56:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12481 states and 19402 transitions. [2023-11-06 22:56:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:56:41,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:41,318 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-06 22:56:41,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:56:41,319 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:41,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:41,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1266430092, now seen corresponding path program 1 times [2023-11-06 22:56:41,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:41,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132173484] [2023-11-06 22:56:41,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:56:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:56:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:56:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:56:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:56:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-06 22:56:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 22:56:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:56:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:56:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:56:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:56:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:56:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:56:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 22:56:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-06 22:56:42,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:42,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132173484] [2023-11-06 22:56:42,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132173484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:42,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:42,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:56:42,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290443517] [2023-11-06 22:56:42,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:42,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:56:42,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:42,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:56:42,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:56:42,793 INFO L87 Difference]: Start difference. First operand 12481 states and 19402 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:56:49,591 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 22:56:51,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:53,606 WARN L539 Checker$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 22:56:55,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:56:57,619 WARN L539 Checker$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 22:56:59,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:22,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []