./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/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_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/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--sis--sis900.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/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_c3388234-e493-464f-b375-f33ee961d52a/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 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:46,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:47,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:54:47,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:47,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:47,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:47,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:47,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:47,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:47,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:47,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:47,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:47,112 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:47,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:47,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:47,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:47,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:47,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:47,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:47,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:47,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:47,121 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:47,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:47,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:47,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:47,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:47,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:47,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:47,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:47,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:47,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:47,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:47,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:47,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:47,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:47,127 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:47,127 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_c3388234-e493-464f-b375-f33ee961d52a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2023-11-19 07:54:47,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:47,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:47,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:47,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:47,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:47,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-19 07:54:50,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:51,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:51,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-19 07:54:51,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/data/075ef404b/7eb77820de41436d9d36d528c01ff3e7/FLAGab49cc725 [2023-11-19 07:54:51,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/data/075ef404b/7eb77820de41436d9d36d528c01ff3e7 [2023-11-19 07:54:51,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:51,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:51,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:51,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:51,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:51,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142d5da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51, skipping insertion in model container [2023-11-19 07:54:51,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:53,972 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_c3388234-e493-464f-b375-f33ee961d52a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2023-11-19 07:54:54,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:54,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:54,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5565] [2023-11-19 07:54:54,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5572] [2023-11-19 07:54:54,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5744] [2023-11-19 07:54:54,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5752] [2023-11-19 07:54:54,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5954-5955] [2023-11-19 07:54:54,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5983-5984] [2023-11-19 07:54:54,612 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_c3388234-e493-464f-b375-f33ee961d52a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2023-11-19 07:54:54,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:54,812 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:54,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54 WrapperNode [2023-11-19 07:54:54,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:54,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:54,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:54,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:54,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:54,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,188 INFO L138 Inliner]: procedures = 274, calls = 1628, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 5147 [2023-11-19 07:54:55,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:55,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:55,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:55,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:55,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:55,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:55,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:55,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:55,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (1/1) ... [2023-11-19 07:54:55,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:55,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:55,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3388234-e493-464f-b375-f33ee961d52a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2023-11-19 07:54:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2023-11-19 07:54:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 07:54:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 07:54:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 07:54:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 07:54:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:54:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:54:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:54:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:54:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:54:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:54:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 07:54:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 07:54:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:54:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:54:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:54:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:54:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:54:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:54:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:54:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:54:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2023-11-19 07:54:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2023-11-19 07:54:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:54:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:54:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:54:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:54:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:54:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:54:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:54:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:54:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:54:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:54:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2023-11-19 07:54:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2023-11-19 07:54:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 07:54:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 07:54:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:54:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:54:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 07:54:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 07:54:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:54:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:54:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:54:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:54:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 07:54:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 07:54:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2023-11-19 07:54:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2023-11-19 07:54:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:54:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:54:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-19 07:54:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-19 07:54:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 07:54:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 07:54:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:54:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:54:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:54:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:54:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:54:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:54:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:54:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 07:54:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 07:54:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:54:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:54:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 07:54:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 07:54:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:54:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:54:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:54:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:54:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2023-11-19 07:54:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2023-11-19 07:54:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2023-11-19 07:54:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2023-11-19 07:54:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:54:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:54:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2023-11-19 07:54:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2023-11-19 07:54:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2023-11-19 07:54:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2023-11-19 07:54:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:54:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:54:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:54:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:54:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:54:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:54:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:54:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 07:54:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 07:54:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:54:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:54:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2023-11-19 07:54:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2023-11-19 07:54:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:54:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:54:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-11-19 07:54:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-11-19 07:54:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 07:54:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 07:54:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:54:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:54:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 07:54:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 07:54:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2023-11-19 07:54:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2023-11-19 07:54:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:54:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2023-11-19 07:54:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2023-11-19 07:54:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 07:54:55,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 07:54:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:54:55,654 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:54:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:54:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:54:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 07:54:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 07:54:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:54:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:54:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:54:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:54:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:54:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:54:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2023-11-19 07:54:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2023-11-19 07:54:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:54:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:54:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:54:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-19 07:54:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-19 07:54:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:54:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:54:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2023-11-19 07:54:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2023-11-19 07:54:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:54:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:54:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2023-11-19 07:54:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2023-11-19 07:54:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:54:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:54:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2023-11-19 07:54:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2023-11-19 07:54:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:54:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-19 07:54:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-19 07:54:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:54:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:54:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-19 07:54:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-19 07:54:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2023-11-19 07:54:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2023-11-19 07:54:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:54:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 07:54:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 07:54:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:54:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:54:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:54:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:54:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:54:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:54:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 07:54:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 07:54:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2023-11-19 07:54:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2023-11-19 07:54:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:54:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:54:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2023-11-19 07:54:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2023-11-19 07:54:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 07:54:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 07:54:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 07:54:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 07:54:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:56,474 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:56,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:57,012 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:55:01,140 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:01,175 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:01,176 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:55:01,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:01 BoogieIcfgContainer [2023-11-19 07:55:01,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:01,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:01,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:01,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:01,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:51" (1/3) ... [2023-11-19 07:55:01,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6a9b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:01, skipping insertion in model container [2023-11-19 07:55:01,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:54" (2/3) ... [2023-11-19 07:55:01,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6a9b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:01, skipping insertion in model container [2023-11-19 07:55:01,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:01" (3/3) ... [2023-11-19 07:55:01,208 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-19 07:55:01,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:01,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:55:01,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:01,368 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;@277e686d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:01,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:55:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 2083 states, 1519 states have (on average 1.4272547728768927) internal successors, (2168), 1542 states have internal predecessors, (2168), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 468 states have call predecessors, (472), 472 states have call successors, (472) [2023-11-19 07:55:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 07:55:01,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:01,430 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:01,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:01,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:01,437 INFO L85 PathProgramCache]: Analyzing trace with hash 358132092, now seen corresponding path program 1 times [2023-11-19 07:55:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:01,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267671342] [2023-11-19 07:55:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:55:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:55:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:55:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:55:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:55:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:55:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:55:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:55:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:55:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:55:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-19 07:55:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:55:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 07:55:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-19 07:55:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-19 07:55:02,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267671342] [2023-11-19 07:55:02,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267671342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:02,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:02,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:55:02,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574883598] [2023-11-19 07:55:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:02,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:55:02,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:02,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:55:02,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:55:02,915 INFO L87 Difference]: Start difference. First operand has 2083 states, 1519 states have (on average 1.4272547728768927) internal successors, (2168), 1542 states have internal predecessors, (2168), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 468 states have call predecessors, (472), 472 states have call successors, (472) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:55:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:11,120 INFO L93 Difference]: Finished difference Result 4472 states and 6884 transitions. [2023-11-19 07:55:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:55:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 182 [2023-11-19 07:55:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:11,179 INFO L225 Difference]: With dead ends: 4472 [2023-11-19 07:55:11,179 INFO L226 Difference]: Without dead ends: 2374 [2023-11-19 07:55:11,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:11,222 INFO L413 NwaCegarLoop]: 1770 mSDtfsCounter, 2805 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 6303 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:11,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 6303 Invalid, 5883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 3931 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-19 07:55:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2023-11-19 07:55:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2063. [2023-11-19 07:55:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2063 states, 1508 states have (on average 1.393899204244032) internal successors, (2102), 1522 states have internal predecessors, (2102), 472 states have call successors, (472), 83 states have call predecessors, (472), 82 states have return successors, (471), 467 states have call predecessors, (471), 471 states have call successors, (471) [2023-11-19 07:55:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 3045 transitions. [2023-11-19 07:55:11,544 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 3045 transitions. Word has length 182 [2023-11-19 07:55:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:11,544 INFO L495 AbstractCegarLoop]: Abstraction has 2063 states and 3045 transitions. [2023-11-19 07:55:11,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:55:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 3045 transitions. [2023-11-19 07:55:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 07:55:11,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:11,565 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:11,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:55:11,565 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:11,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1476258168, now seen corresponding path program 1 times [2023-11-19 07:55:11,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:11,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117034511] [2023-11-19 07:55:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:11,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:55:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:55:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:55:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:55:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:55:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:55:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:55:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:55:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:55:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:55:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-19 07:55:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:55:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 07:55:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-19 07:55:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-19 07:55:12,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117034511] [2023-11-19 07:55:12,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117034511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:12,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:12,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:55:12,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75056772] [2023-11-19 07:55:12,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:12,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:55:12,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:12,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:55:12,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:12,758 INFO L87 Difference]: Start difference. First operand 2063 states and 3045 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:55:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:26,266 INFO L93 Difference]: Finished difference Result 6758 states and 10106 transitions. [2023-11-19 07:55:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:55:26,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2023-11-19 07:55:26,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:26,315 INFO L225 Difference]: With dead ends: 6758 [2023-11-19 07:55:26,316 INFO L226 Difference]: Without dead ends: 4723 [2023-11-19 07:55:26,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:55:26,332 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 8113 mSDsluCounter, 8219 mSDsCounter, 0 mSdLazyCounter, 8078 mSolverCounterSat, 4377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8470 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 12455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4377 IncrementalHoareTripleChecker+Valid, 8078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:26,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8470 Valid, 10021 Invalid, 12455 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4377 Valid, 8078 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-11-19 07:55:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2023-11-19 07:55:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4092. [2023-11-19 07:55:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4092 states, 2994 states have (on average 1.3947895791583167) internal successors, (4176), 3026 states have internal predecessors, (4176), 933 states have call successors, (933), 165 states have call predecessors, (933), 164 states have return successors, (932), 920 states have call predecessors, (932), 932 states have call successors, (932) [2023-11-19 07:55:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4092 states to 4092 states and 6041 transitions. [2023-11-19 07:55:26,757 INFO L78 Accepts]: Start accepts. Automaton has 4092 states and 6041 transitions. Word has length 182 [2023-11-19 07:55:26,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:26,759 INFO L495 AbstractCegarLoop]: Abstraction has 4092 states and 6041 transitions. [2023-11-19 07:55:26,760 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, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:55:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4092 states and 6041 transitions. [2023-11-19 07:55:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 07:55:26,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:26,784 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:26,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:55:26,785 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:26,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:26,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1067427357, now seen corresponding path program 1 times [2023-11-19 07:55:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:26,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473370046] [2023-11-19 07:55:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:55:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:55:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:55:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:55:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:55:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:55:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:55:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:55:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:55:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:55:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:55:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-19 07:55:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-19 07:55:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:55:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:55:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-19 07:55:27,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:27,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473370046] [2023-11-19 07:55:27,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473370046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:27,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:27,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:55:27,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49936708] [2023-11-19 07:55:27,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:27,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:55:27,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:27,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:55:27,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:27,812 INFO L87 Difference]: Start difference. First operand 4092 states and 6041 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)