./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:46,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:46,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:00:46,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:46,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:46,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:46,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:46,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:46,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:46,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:46,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:46,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:46,797 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:46,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:46,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:46,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:46,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:46,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:46,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:46,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:46,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:46,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:46,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:46,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:46,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:46,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:46,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:46,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:46,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:46,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:46,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:46,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:46,809 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:46,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:46,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:46,810 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:46,810 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_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 [2023-11-19 08:00:47,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:47,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:47,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:47,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:47,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:47,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-11-19 08:00:50,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:51,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:51,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-11-19 08:00:51,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/data/b20bf27b1/a5addb81c7a042b8bda8f8b0f1667936/FLAGa18bcafa0 [2023-11-19 08:00:51,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/data/b20bf27b1/a5addb81c7a042b8bda8f8b0f1667936 [2023-11-19 08:00:51,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:51,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:51,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:51,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:51,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:51,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:51" (1/1) ... [2023-11-19 08:00:51,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17896cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:51, skipping insertion in model container [2023-11-19 08:00:51,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:51" (1/1) ... [2023-11-19 08:00:51,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:53,517 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_5af2750c-9862-4012-bd13-2f339ae632c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2023-11-19 08:00:53,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:53,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:53,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5603] [2023-11-19 08:00:53,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5934-5935] [2023-11-19 08:00:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5963-5964] [2023-11-19 08:00:53,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7206] [2023-11-19 08:00:53,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7495] [2023-11-19 08:00:54,029 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_5af2750c-9862-4012-bd13-2f339ae632c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2023-11-19 08:00:54,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:54,227 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:54,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54 WrapperNode [2023-11-19 08:00:54,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:54,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:54,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:54,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:54,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,635 INFO L138 Inliner]: procedures = 236, calls = 1628, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 5135 [2023-11-19 08:00:54,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:54,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:54,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:54,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:54,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:54,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:54,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:54,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:54,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (1/1) ... [2023-11-19 08:00:54,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:55,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:55,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:55,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af2750c-9862-4012-bd13-2f339ae632c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 08:00:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 08:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 08:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 08:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:00:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:00:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:00:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 08:00:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 08:00:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-19 08:00:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-19 08:00:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:00:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:00:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 08:00:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 08:00:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:00:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:00:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:00:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:00:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-19 08:00:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-19 08:00:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:00:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:00:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2023-11-19 08:00:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2023-11-19 08:00:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:00:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:00:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 08:00:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 08:00:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:00:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:00:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 08:00:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 08:00:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 08:00:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 08:00:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:00:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:00:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 08:00:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 08:00:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:00:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:00:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 08:00:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 08:00:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 08:00:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 08:00:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-19 08:00:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-19 08:00:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-19 08:00:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-19 08:00:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-19 08:00:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-19 08:00:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:00:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 08:00:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 08:00:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:00:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 08:00:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 08:00:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:00:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:00:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:00:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:00:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 08:00:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 08:00:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:00:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:00:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:00:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:00:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 08:00:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 08:00:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2023-11-19 08:00:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2023-11-19 08:00:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:00:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:00:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:00:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:00:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-19 08:00:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-19 08:00:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 08:00:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 08:00:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 08:00:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 08:00:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-19 08:00:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-19 08:00:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2023-11-19 08:00:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2023-11-19 08:00:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:00:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:00:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-11-19 08:00:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-11-19 08:00:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:00:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:00:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:00:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 08:00:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 08:00:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 08:00:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 08:00:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:00:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-19 08:00:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-19 08:00:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:00:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-19 08:00:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-19 08:00:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:00:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:00:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:00:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:00:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:00:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:00:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-19 08:00:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-19 08:00:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 08:00:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 08:00:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-19 08:00:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-19 08:00:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:00:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:00:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:00:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:00:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:00:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-19 08:00:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-19 08:00:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-19 08:00:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-19 08:00:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:00:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:00:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:00:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-19 08:00:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-19 08:00:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 08:00:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 08:00:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:00:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:00:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:00:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 08:00:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 08:00:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 08:00:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 08:00:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 08:00:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 08:00:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 08:00:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 08:00:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2023-11-19 08:00:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2023-11-19 08:00:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 08:00:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 08:00:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-19 08:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-19 08:00:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 08:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 08:00:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 08:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 08:00:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:00:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:55,869 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:55,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:56,277 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:01:00,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:00,466 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:00,466 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:01:00,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:00 BoogieIcfgContainer [2023-11-19 08:01:00,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:00,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:00,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:00,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:00,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:51" (1/3) ... [2023-11-19 08:01:00,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b1dc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:00, skipping insertion in model container [2023-11-19 08:01:00,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:54" (2/3) ... [2023-11-19 08:01:00,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b1dc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:00, skipping insertion in model container [2023-11-19 08:01:00,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:00" (3/3) ... [2023-11-19 08:01:00,496 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-11-19 08:01:00,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:00,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:00,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:00,641 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d7cc5e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:00,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 1820 states, 1377 states have (on average 1.4502541757443719) internal successors, (1997), 1400 states have internal predecessors, (1997), 369 states have call successors, (369), 73 states have call predecessors, (369), 72 states have return successors, (362), 356 states have call predecessors, (362), 362 states have call successors, (362) [2023-11-19 08:01:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 08:01:00,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:00,718 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:00,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:00,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1605657261, now seen corresponding path program 1 times [2023-11-19 08:01:00,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917226270] [2023-11-19 08:01:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:01:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:01:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:01:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:01:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:01:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-19 08:01:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 08:01:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 08:01:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 08:01:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 08:01:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-19 08:01:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-19 08:01:02,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917226270] [2023-11-19 08:01:02,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917226270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:02,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:02,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:01:02,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616243403] [2023-11-19 08:01:02,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:02,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:01:02,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:02,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:01:02,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:01:02,587 INFO L87 Difference]: Start difference. First operand has 1820 states, 1377 states have (on average 1.4502541757443719) internal successors, (1997), 1400 states have internal predecessors, (1997), 369 states have call successors, (369), 73 states have call predecessors, (369), 72 states have return successors, (362), 356 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 08:01:16,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:16,420 INFO L93 Difference]: Finished difference Result 5519 states and 8469 transitions. [2023-11-19 08:01:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 08:01:16,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 153 [2023-11-19 08:01:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:16,489 INFO L225 Difference]: With dead ends: 5519 [2023-11-19 08:01:16,489 INFO L226 Difference]: Without dead ends: 3658 [2023-11-19 08:01:16,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2023-11-19 08:01:16,524 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 5364 mSDsluCounter, 8248 mSDsCounter, 0 mSdLazyCounter, 8172 mSolverCounterSat, 2979 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5639 SdHoareTripleChecker+Valid, 9892 SdHoareTripleChecker+Invalid, 11151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2979 IncrementalHoareTripleChecker+Valid, 8172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:16,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5639 Valid, 9892 Invalid, 11151 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2979 Valid, 8172 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-11-19 08:01:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2023-11-19 08:01:16,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 3566. [2023-11-19 08:01:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3566 states, 2709 states have (on average 1.415282392026578) internal successors, (3834), 2741 states have internal predecessors, (3834), 714 states have call successors, (714), 143 states have call predecessors, (714), 142 states have return successors, (713), 697 states have call predecessors, (713), 713 states have call successors, (713) [2023-11-19 08:01:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 5261 transitions. [2023-11-19 08:01:16,918 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 5261 transitions. Word has length 153 [2023-11-19 08:01:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:16,922 INFO L495 AbstractCegarLoop]: Abstraction has 3566 states and 5261 transitions. [2023-11-19 08:01:16,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 08:01:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 5261 transitions. [2023-11-19 08:01:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 08:01:16,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:16,945 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:16,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:16,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:16,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:16,947 INFO L85 PathProgramCache]: Analyzing trace with hash -397426702, now seen corresponding path program 1 times [2023-11-19 08:01:16,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:16,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959573925] [2023-11-19 08:01:16,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:16,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:01:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:01:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:01:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:01:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:01:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 08:01:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 08:01:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 08:01:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 08:01:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 08:01:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 08:01:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-19 08:01:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 08:01:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959573925] [2023-11-19 08:01:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959573925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:17,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:17,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:01:17,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096538900] [2023-11-19 08:01:17,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:17,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:01:17,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:17,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:01:17,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:17,682 INFO L87 Difference]: Start difference. First operand 3566 states and 5261 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:01:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:28,519 INFO L93 Difference]: Finished difference Result 10291 states and 15201 transitions. [2023-11-19 08:01:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:01:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 166 [2023-11-19 08:01:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:28,578 INFO L225 Difference]: With dead ends: 10291 [2023-11-19 08:01:28,578 INFO L226 Difference]: Without dead ends: 6745 [2023-11-19 08:01:28,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:01:28,597 INFO L413 NwaCegarLoop]: 1603 mSDtfsCounter, 4789 mSDsluCounter, 5185 mSDsCounter, 0 mSdLazyCounter, 5654 mSolverCounterSat, 2659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5017 SdHoareTripleChecker+Valid, 6788 SdHoareTripleChecker+Invalid, 8313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2659 IncrementalHoareTripleChecker+Valid, 5654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:28,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5017 Valid, 6788 Invalid, 8313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2659 Valid, 5654 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-11-19 08:01:28,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2023-11-19 08:01:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6577. [2023-11-19 08:01:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 5017 states have (on average 1.4191748056607534) internal successors, (7120), 5073 states have internal predecessors, (7120), 1290 states have call successors, (1290), 270 states have call predecessors, (1290), 269 states have return successors, (1297), 1261 states have call predecessors, (1297), 1289 states have call successors, (1297) [2023-11-19 08:01:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 9707 transitions. [2023-11-19 08:01:28,989 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 9707 transitions. Word has length 166 [2023-11-19 08:01:28,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:28,991 INFO L495 AbstractCegarLoop]: Abstraction has 6577 states and 9707 transitions. [2023-11-19 08:01:28,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:01:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 9707 transitions. [2023-11-19 08:01:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 08:01:28,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:29,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:29,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:29,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:29,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:29,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1092707147, now seen corresponding path program 1 times [2023-11-19 08:01:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:29,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329661870] [2023-11-19 08:01:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:01:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:01:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:01:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:01:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:01:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 08:01:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 08:01:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-19 08:01:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 08:01:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 08:01:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-19 08:01:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-19 08:01:29,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:29,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329661870] [2023-11-19 08:01:29,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329661870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:29,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:29,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:01:29,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856993870] [2023-11-19 08:01:29,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:29,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:01:29,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:01:29,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:01:29,834 INFO L87 Difference]: Start difference. First operand 6577 states and 9707 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)