./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--packetengines--hamachi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd --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 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:33:25,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:33:25,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:33:25,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:33:25,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:33:25,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:33:25,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:33:25,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:33:25,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:33:25,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:33:25,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:33:25,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:33:25,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:33:25,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:33:25,400 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:33:25,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:33:25,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:33:25,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:33:25,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:33:25,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:25,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:33:25,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:33:25,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:33:25,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:33:25,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:33:25,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:33:25,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:33:25,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:33:25,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:33:25,405 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd 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 -> 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 [2024-11-13 14:33:25,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:33:25,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:33:25,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:33:25,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:33:25,750 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:33:25,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-13 14:33:27,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:33:28,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:33:28,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2024-11-13 14:33:28,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/data/32759546b/c5d5badc0edb48a7bd78f827d5016462/FLAGb0403aa2e [2024-11-13 14:33:28,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/data/32759546b/c5d5badc0edb48a7bd78f827d5016462 [2024-11-13 14:33:28,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:33:28,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:33:28,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:28,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:33:28,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:33:28,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:28" (1/1) ... [2024-11-13 14:33:28,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@818b16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:28, skipping insertion in model container [2024-11-13 14:33:28,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:28" (1/1) ... [2024-11-13 14:33:28,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:33:30,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2024-11-13 14:33:30,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:30,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:33:30,948 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"); [5574] [2024-11-13 14:33:30,950 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)); [5581] [2024-11-13 14:33:30,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5752] [2024-11-13 14:33:30,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5760] [2024-11-13 14:33:30,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5768] [2024-11-13 14:33:30,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5775] [2024-11-13 14:33:30,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5782] [2024-11-13 14:33:30,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5789] [2024-11-13 14:33:30,992 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)); [5980-5981] [2024-11-13 14:33:30,995 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)); [6009-6010] [2024-11-13 14:33:30,999 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" (108), "i" (12UL)); [6039-6040] [2024-11-13 14:33:31,002 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" (120), "i" (12UL)); [6069-6070] [2024-11-13 14:33:31,255 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2024-11-13 14:33:31,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:31,481 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:33:31,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31 WrapperNode [2024-11-13 14:33:31,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:31,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:31,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:33:31,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:33:31,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:31,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:31,808 INFO L138 Inliner]: procedures = 225, calls = 1495, calls flagged for inlining = 121, calls inlined = 118, statements flattened = 4357 [2024-11-13 14:33:31,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:31,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:33:31,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:33:31,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:33:31,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:31,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:31,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,598 INFO L175 MemorySlicer]: Split 965 memory accesses to 13 slices as follows [2, 8, 205, 8, 9, 6, 9, 9, 9, 19, 2, 43, 636]. 66 percent of accesses are in the largest equivalence class. The 88 initializations are split as follows [2, 8, 18, 8, 8, 0, 8, 8, 8, 0, 0, 0, 20]. The 567 writes are split as follows [0, 0, 187, 0, 0, 1, 0, 0, 0, 16, 0, 43, 320]. [2024-11-13 14:33:32,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:33:32,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:33:32,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:33:32,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:33:32,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (1/1) ... [2024-11-13 14:33:32,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:32,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:32,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:33:33,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:33:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2024-11-13 14:33:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2024-11-13 14:33:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2024-11-13 14:33:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-13 14:33:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-13 14:33:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-13 14:33:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-13 14:33:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-13 14:33:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-13 14:33:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-13 14:33:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-13 14:33:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 14:33:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 14:33:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-13 14:33:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-13 14:33:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-13 14:33:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-13 14:33:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-13 14:33:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-13 14:33:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-13 14:33:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 14:33:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 14:33:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-13 14:33:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-13 14:33:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-13 14:33:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-13 14:33:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-13 14:33:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-13 14:33:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-13 14:33:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-13 14:33:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 14:33:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 14:33:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2024-11-13 14:33:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-13 14:33:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-13 14:33:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-13 14:33:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-13 14:33:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-13 14:33:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-13 14:33:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-13 14:33:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-13 14:33:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-13 14:33:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-13 14:33:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 14:33:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 14:33:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 14:33:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-13 14:33:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-13 14:33:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-13 14:33:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:33:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:33:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-13 14:33:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-13 14:33:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-13 14:33:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-13 14:33:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-13 14:33:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-13 14:33:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 14:33:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 14:33:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 14:33:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-13 14:33:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-13 14:33:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-13 14:33:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-13 14:33:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-13 14:33:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-13 14:33:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-13 14:33:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-13 14:33:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-13 14:33:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-13 14:33:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-13 14:33:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-13 14:33:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 14:33:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-13 14:33:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 14:33:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-13 14:33:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:33:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:33:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:33:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:33:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-13 14:33:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 14:33:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 14:33:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-13 14:33:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-13 14:33:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-13 14:33:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-13 14:33:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2024-11-13 14:33:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2024-11-13 14:33:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-13 14:33:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 14:33:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 14:33:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 14:33:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 14:33:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 14:33:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 14:33:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-13 14:33:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-13 14:33:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-13 14:33:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-13 14:33:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-13 14:33:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-13 14:33:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-13 14:33:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-13 14:33:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:33:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:33:33,983 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:33:33,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:33:34,168 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 14:33:46,473 INFO L? ?]: Removed 1721 outVars from TransFormulas that were not future-live. [2024-11-13 14:33:46,474 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:33:46,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:33:46,541 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:33:46,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:46 BoogieIcfgContainer [2024-11-13 14:33:46,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:33:46,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:33:46,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:33:46,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:33:46,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:28" (1/3) ... [2024-11-13 14:33:46,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198deb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:46, skipping insertion in model container [2024-11-13 14:33:46,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:31" (2/3) ... [2024-11-13 14:33:46,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198deb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:46, skipping insertion in model container [2024-11-13 14:33:46,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:46" (3/3) ... [2024-11-13 14:33:46,556 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2024-11-13 14:33:46,578 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:33:46,582 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i that has 71 procedures, 1466 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2024-11-13 14:33:46,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:33:46,714 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41cf3b2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:33:46,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:33:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 1421 states, 1040 states have (on average 1.3653846153846154) internal successors, (1420), 1070 states have internal predecessors, (1420), 321 states have call successors, (321), 59 states have call predecessors, (321), 58 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) [2024-11-13 14:33:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 14:33:46,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:46,775 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-13 14:33:46,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:46,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash -780691895, now seen corresponding path program 1 times [2024-11-13 14:33:46,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:46,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469877506] [2024-11-13 14:33:46,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:34:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:34:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:34:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:34:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:34:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:34:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:34:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:34:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:34:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:34:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:34:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:34:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:34:22,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:22,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469877506] [2024-11-13 14:34:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469877506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:22,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:22,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:34:22,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357277053] [2024-11-13 14:34:22,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:22,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:22,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:22,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:22,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:22,751 INFO L87 Difference]: Start difference. First operand has 1421 states, 1040 states have (on average 1.3653846153846154) internal successors, (1420), 1070 states have internal predecessors, (1420), 321 states have call successors, (321), 59 states have call predecessors, (321), 58 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 14:34:26,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:34:31,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:34:59,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:59,182 INFO L93 Difference]: Finished difference Result 3022 states and 4436 transitions. [2024-11-13 14:34:59,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:59,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 163 [2024-11-13 14:34:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:59,212 INFO L225 Difference]: With dead ends: 3022 [2024-11-13 14:34:59,212 INFO L226 Difference]: Without dead ends: 1583 [2024-11-13 14:34:59,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:34:59,227 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 1344 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 807 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 3108 SdHoareTripleChecker+Invalid, 3516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:59,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 3108 Invalid, 3516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [807 Valid, 2707 Invalid, 2 Unknown, 0 Unchecked, 35.8s Time] [2024-11-13 14:34:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2024-11-13 14:34:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1398. [2024-11-13 14:34:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1027 states have (on average 1.3437195715676729) internal successors, (1380), 1047 states have internal predecessors, (1380), 313 states have call successors, (313), 58 states have call predecessors, (313), 57 states have return successors, (312), 302 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-13 14:34:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2005 transitions. [2024-11-13 14:34:59,384 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2005 transitions. Word has length 163 [2024-11-13 14:34:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:59,385 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 2005 transitions. [2024-11-13 14:34:59,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 14:34:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2005 transitions. [2024-11-13 14:34:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 14:34:59,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:59,393 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-13 14:34:59,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:34:59,393 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:59,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash 910396605, now seen corresponding path program 1 times [2024-11-13 14:34:59,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:59,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109970153] [2024-11-13 14:34:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:35:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:35:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:35:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:35:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:35:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:35:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:35:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:35:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:35:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:35:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:35:33,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:33,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109970153] [2024-11-13 14:35:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109970153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:33,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:35:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934137854] [2024-11-13 14:35:33,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:33,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:35:33,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:33,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:35:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:33,630 INFO L87 Difference]: Start difference. First operand 1398 states and 2005 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 14:35:37,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:35:42,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:36:19,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:19,102 INFO L93 Difference]: Finished difference Result 3941 states and 5675 transitions. [2024-11-13 14:36:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:36:19,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 163 [2024-11-13 14:36:19,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:19,120 INFO L225 Difference]: With dead ends: 3941 [2024-11-13 14:36:19,120 INFO L226 Difference]: Without dead ends: 2571 [2024-11-13 14:36:19,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:19,128 INFO L432 NwaCegarLoop]: 1069 mSDtfsCounter, 4147 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 2241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 5426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:19,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 3193 Invalid, 5426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2241 Valid, 3183 Invalid, 2 Unknown, 0 Unchecked, 44.3s Time] [2024-11-13 14:36:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2024-11-13 14:36:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2155. [2024-11-13 14:36:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1595 states have (on average 1.336050156739812) internal successors, (2131), 1625 states have internal predecessors, (2131), 459 states have call successors, (459), 101 states have call predecessors, (459), 100 states have return successors, (458), 444 states have call predecessors, (458), 458 states have call successors, (458) [2024-11-13 14:36:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3048 transitions. [2024-11-13 14:36:19,346 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3048 transitions. Word has length 163 [2024-11-13 14:36:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:19,348 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3048 transitions. [2024-11-13 14:36:19,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 14:36:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3048 transitions. [2024-11-13 14:36:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 14:36:19,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:19,359 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:36:19,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:36:19,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:19,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:19,360 INFO L85 PathProgramCache]: Analyzing trace with hash -295345314, now seen corresponding path program 1 times [2024-11-13 14:36:19,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:19,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587260435] [2024-11-13 14:36:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:36:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:36:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:36:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:36:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:36:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:36:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:36:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:36:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:36:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:36:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:36:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:36:56,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:56,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587260435] [2024-11-13 14:36:56,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587260435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:56,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:56,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:36:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949445207] [2024-11-13 14:36:56,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:56,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:36:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:56,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:36:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:36:56,408 INFO L87 Difference]: Start difference. First operand 2155 states and 3048 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:37:00,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:37:04,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:37:09,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:38:30,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:38:30,554 INFO L93 Difference]: Finished difference Result 7152 states and 10256 transitions. [2024-11-13 14:38:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:38:30,555 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 175 [2024-11-13 14:38:30,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:38:30,583 INFO L225 Difference]: With dead ends: 7152 [2024-11-13 14:38:30,584 INFO L226 Difference]: Without dead ends: 5025 [2024-11-13 14:38:30,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:38:30,594 INFO L432 NwaCegarLoop]: 1255 mSDtfsCounter, 4954 mSDsluCounter, 5977 mSDsCounter, 0 mSdLazyCounter, 7223 mSolverCounterSat, 2803 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 7232 SdHoareTripleChecker+Invalid, 10029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2803 IncrementalHoareTripleChecker+Valid, 7223 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:38:30,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5186 Valid, 7232 Invalid, 10029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2803 Valid, 7223 Invalid, 3 Unknown, 0 Unchecked, 90.4s Time] [2024-11-13 14:38:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2024-11-13 14:38:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 4288. [2024-11-13 14:38:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4288 states, 3179 states have (on average 1.3359547027367096) internal successors, (4247), 3239 states have internal predecessors, (4247), 908 states have call successors, (908), 201 states have call predecessors, (908), 200 states have return successors, (907), 879 states have call predecessors, (907), 907 states have call successors, (907) [2024-11-13 14:38:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 6062 transitions. [2024-11-13 14:38:30,911 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 6062 transitions. Word has length 175 [2024-11-13 14:38:30,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:38:30,912 INFO L471 AbstractCegarLoop]: Abstraction has 4288 states and 6062 transitions. [2024-11-13 14:38:30,913 INFO L472 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:38:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 6062 transitions. [2024-11-13 14:38:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 14:38:30,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:38:30,918 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:38:30,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:38:30,918 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:38:30,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:30,919 INFO L85 PathProgramCache]: Analyzing trace with hash 966291381, now seen corresponding path program 1 times [2024-11-13 14:38:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288790217] [2024-11-13 14:38:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:39:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:39:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:39:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:39:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:39:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:39:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:39:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:39:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:39:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:39:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:39:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:39:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:39:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:39:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:39:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:39:09,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:39:09,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288790217] [2024-11-13 14:39:09,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288790217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:39:09,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:39:09,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:39:09,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986953737] [2024-11-13 14:39:09,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:39:09,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:39:09,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:39:09,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:39:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:39:09,696 INFO L87 Difference]: Start difference. First operand 4288 states and 6062 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:39:13,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:39:18,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:39:22,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:40:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:40:43,523 INFO L93 Difference]: Finished difference Result 14287 states and 20465 transitions. [2024-11-13 14:40:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:40:43,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 174 [2024-11-13 14:40:43,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:40:43,577 INFO L225 Difference]: With dead ends: 14287 [2024-11-13 14:40:43,578 INFO L226 Difference]: Without dead ends: 10027 [2024-11-13 14:40:43,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:40:43,597 INFO L432 NwaCegarLoop]: 1255 mSDtfsCounter, 5760 mSDsluCounter, 5277 mSDsCounter, 0 mSdLazyCounter, 6655 mSolverCounterSat, 3550 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5992 SdHoareTripleChecker+Valid, 6532 SdHoareTripleChecker+Invalid, 10208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3550 IncrementalHoareTripleChecker+Valid, 6655 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:40:43,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5992 Valid, 6532 Invalid, 10208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3550 Valid, 6655 Invalid, 3 Unknown, 0 Unchecked, 89.9s Time] [2024-11-13 14:40:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2024-11-13 14:40:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 8562. [2024-11-13 14:40:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8562 states, 6353 states have (on average 1.335117267432709) internal successors, (8482), 6473 states have internal predecessors, (8482), 1806 states have call successors, (1806), 403 states have call predecessors, (1806), 402 states have return successors, (1805), 1749 states have call predecessors, (1805), 1805 states have call successors, (1805) [2024-11-13 14:40:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8562 states to 8562 states and 12093 transitions. [2024-11-13 14:40:44,140 INFO L78 Accepts]: Start accepts. Automaton has 8562 states and 12093 transitions. Word has length 174 [2024-11-13 14:40:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:40:44,142 INFO L471 AbstractCegarLoop]: Abstraction has 8562 states and 12093 transitions. [2024-11-13 14:40:44,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:40:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 8562 states and 12093 transitions. [2024-11-13 14:40:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 14:40:44,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:40:44,146 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:40:44,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:40:44,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:40:44,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:40:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1853309096, now seen corresponding path program 1 times [2024-11-13 14:40:44,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:40:44,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758005080] [2024-11-13 14:40:44,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:40:44,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:41:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:41:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:41:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:41:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:41:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:41:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:41:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:41:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:41:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:41:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:41:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:41:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:41:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:41:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:41:21,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:21,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758005080] [2024-11-13 14:41:21,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758005080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:21,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:21,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:41:21,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607336783] [2024-11-13 14:41:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:21,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:41:21,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:21,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:41:21,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:41:21,622 INFO L87 Difference]: Start difference. First operand 8562 states and 12093 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:41:25,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:41:30,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:41:34,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:42:58,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:58,038 INFO L93 Difference]: Finished difference Result 28588 states and 40895 transitions. [2024-11-13 14:42:58,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:42:58,039 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 176 [2024-11-13 14:42:58,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:58,143 INFO L225 Difference]: With dead ends: 28588 [2024-11-13 14:42:58,143 INFO L226 Difference]: Without dead ends: 20054 [2024-11-13 14:42:58,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:42:58,184 INFO L432 NwaCegarLoop]: 1068 mSDtfsCounter, 4952 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 6940 mSolverCounterSat, 2949 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5185 SdHoareTripleChecker+Valid, 6385 SdHoareTripleChecker+Invalid, 9892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2949 IncrementalHoareTripleChecker+Valid, 6940 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:58,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5185 Valid, 6385 Invalid, 9892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2949 Valid, 6940 Invalid, 3 Unknown, 0 Unchecked, 92.1s Time] [2024-11-13 14:42:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20054 states. [2024-11-13 14:42:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20054 to 17133. [2024-11-13 14:42:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17133 states, 12720 states have (on average 1.3342767295597484) internal successors, (16972), 12960 states have internal predecessors, (16972), 3602 states have call successors, (3602), 811 states have call predecessors, (3602), 810 states have return successors, (3601), 3489 states have call predecessors, (3601), 3601 states have call successors, (3601) [2024-11-13 14:42:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17133 states to 17133 states and 24175 transitions. [2024-11-13 14:42:59,370 INFO L78 Accepts]: Start accepts. Automaton has 17133 states and 24175 transitions. Word has length 176 [2024-11-13 14:42:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:59,370 INFO L471 AbstractCegarLoop]: Abstraction has 17133 states and 24175 transitions. [2024-11-13 14:42:59,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:42:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 17133 states and 24175 transitions. [2024-11-13 14:42:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 14:42:59,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:59,378 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-13 14:42:59,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:42:59,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:59,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:59,378 INFO L85 PathProgramCache]: Analyzing trace with hash -691124837, now seen corresponding path program 1 times [2024-11-13 14:42:59,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:59,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496626309] [2024-11-13 14:42:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:43:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:43:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:43:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:43:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:43:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:43:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:43:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:43:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:43:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:43:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:43:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 14:43:35,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:35,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496626309] [2024-11-13 14:43:35,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496626309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:35,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:35,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:35,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673619023] [2024-11-13 14:43:35,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:35,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:35,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:35,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:35,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:35,395 INFO L87 Difference]: Start difference. First operand 17133 states and 24175 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:43:39,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:43:43,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:43:48,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:46:02,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:46:02,992 INFO L93 Difference]: Finished difference Result 56184 states and 80206 transitions. [2024-11-13 14:46:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:46:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 173 [2024-11-13 14:46:02,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:46:03,199 INFO L225 Difference]: With dead ends: 56184 [2024-11-13 14:46:03,199 INFO L226 Difference]: Without dead ends: 39079 [2024-11-13 14:46:03,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:46:03,272 INFO L432 NwaCegarLoop]: 1277 mSDtfsCounter, 4065 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 10344 mSolverCounterSat, 2294 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 7346 SdHoareTripleChecker+Invalid, 12641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2294 IncrementalHoareTripleChecker+Valid, 10344 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:46:03,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 7346 Invalid, 12641 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2294 Valid, 10344 Invalid, 3 Unknown, 0 Unchecked, 142.0s Time] [2024-11-13 14:46:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39079 states. [2024-11-13 14:46:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39079 to 33380. [2024-11-13 14:46:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33380 states, 24755 states have (on average 1.334356695617047) internal successors, (33032), 25267 states have internal predecessors, (33032), 7037 states have call successors, (7037), 1588 states have call predecessors, (7037), 1587 states have return successors, (7036), 6776 states have call predecessors, (7036), 7036 states have call successors, (7036) [2024-11-13 14:46:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33380 states to 33380 states and 47105 transitions. [2024-11-13 14:46:05,272 INFO L78 Accepts]: Start accepts. Automaton has 33380 states and 47105 transitions. Word has length 173 [2024-11-13 14:46:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:46:05,272 INFO L471 AbstractCegarLoop]: Abstraction has 33380 states and 47105 transitions. [2024-11-13 14:46:05,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 14:46:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33380 states and 47105 transitions. [2024-11-13 14:46:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:46:05,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:46:05,278 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:46:05,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:46:05,279 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:46:05,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:46:05,279 INFO L85 PathProgramCache]: Analyzing trace with hash 117476178, now seen corresponding path program 1 times [2024-11-13 14:46:05,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:46:05,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456393639] [2024-11-13 14:46:05,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:46:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:46:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:46:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:46:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:46:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:46:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:46:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:46:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:46:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:46:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:46:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:48,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:46:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:46:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:46:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:46:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:46:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:46:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:46:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-13 14:46:49,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:46:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456393639] [2024-11-13 14:46:49,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456393639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:46:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914216791] [2024-11-13 14:46:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:46:49,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:46:49,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:46:49,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:46:49,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:47:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:47:31,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 5317 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:47:31,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:47:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 14:47:31,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:47:31,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914216791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:47:31,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:47:31,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-13 14:47:31,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795309858] [2024-11-13 14:47:31,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:47:31,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:47:31,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:47:31,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:47:31,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:47:31,997 INFO L87 Difference]: Start difference. First operand 33380 states and 47105 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-13 14:47:32,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:47:32,891 INFO L93 Difference]: Finished difference Result 33414 states and 47169 transitions. [2024-11-13 14:47:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:47:32,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 187 [2024-11-13 14:47:32,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:47:33,075 INFO L225 Difference]: With dead ends: 33414 [2024-11-13 14:47:33,076 INFO L226 Difference]: Without dead ends: 33411 [2024-11-13 14:47:33,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:47:33,101 INFO L432 NwaCegarLoop]: 2004 mSDtfsCounter, 0 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4003 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:47:33,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4003 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:47:33,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33411 states. [2024-11-13 14:47:34,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33411 to 33411. [2024-11-13 14:47:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33411 states, 24786 states have (on average 1.3339385136770758) internal successors, (33063), 25298 states have internal predecessors, (33063), 7037 states have call successors, (7037), 1588 states have call predecessors, (7037), 1587 states have return successors, (7036), 6776 states have call predecessors, (7036), 7036 states have call successors, (7036) [2024-11-13 14:47:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33411 states to 33411 states and 47136 transitions. [2024-11-13 14:47:34,766 INFO L78 Accepts]: Start accepts. Automaton has 33411 states and 47136 transitions. Word has length 187 [2024-11-13 14:47:34,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:47:34,767 INFO L471 AbstractCegarLoop]: Abstraction has 33411 states and 47136 transitions. [2024-11-13 14:47:34,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-13 14:47:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 33411 states and 47136 transitions. [2024-11-13 14:47:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-13 14:47:34,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:47:34,772 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:47:34,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:47:34,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972b1bb3-535b-480c-90bf-ff5a916d13f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:47:34,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:47:34,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:47:34,974 INFO L85 PathProgramCache]: Analyzing trace with hash 686495639, now seen corresponding path program 1 times [2024-11-13 14:47:34,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:47:34,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781328817] [2024-11-13 14:47:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:47:34,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms