./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:09:31,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:09:31,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:09:31,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:09:31,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:09:31,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:09:31,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:09:31,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:09:31,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:09:31,509 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:09:31,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:09:31,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:09:31,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:09:31,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:09:31,513 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:09:31,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:09:31,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:09:31,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:09:31,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:09:31,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:09:31,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:09:31,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:09:31,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:09:31,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:09:31,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:09:31,520 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:09:31,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:09:31,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:09:31,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:09:31,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:09:31,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:09:31,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:09:31,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:09:31,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:09:31,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:09:31,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:09:31,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:09:31,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:09:31,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:09:31,526 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2024-11-16 20:09:31,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:09:31,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:09:31,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:09:31,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:09:31,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:09:31,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-16 20:09:33,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:09:33,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:09:33,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-16 20:09:33,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afaf1ea3/bbb060e5cc4e4a37bf65bacf9d656f66/FLAG0be5683c7 [2024-11-16 20:09:33,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afaf1ea3/bbb060e5cc4e4a37bf65bacf9d656f66 [2024-11-16 20:09:33,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:09:33,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:09:33,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:09:33,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:09:33,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:09:33,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:09:33" (1/1) ... [2024-11-16 20:09:33,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec834fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:33, skipping insertion in model container [2024-11-16 20:09:33,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:09:33" (1/1) ... [2024-11-16 20:09:33,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:09:35,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-16 20:09:35,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:09:35,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:09:35,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-11-16 20:09:35,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-11-16 20:09:35,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-11-16 20:09:35,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-11-16 20:09:35,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-11-16 20:09:35,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-11-16 20:09:35,634 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-16 20:09:35,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:09:35,856 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:09:35,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35 WrapperNode [2024-11-16 20:09:35,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:09:35,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:09:35,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:09:35,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:09:35,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:35,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,011 INFO L138 Inliner]: procedures = 132, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1699 [2024-11-16 20:09:36,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:09:36,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:09:36,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:09:36,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:09:36,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,251 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [8, 2, 3, 10, 42, 8, 8, 261]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [8, 2, 0, 0, 0, 8, 8, 8]. The 214 writes are split as follows [0, 0, 0, 0, 42, 0, 0, 172]. [2024-11-16 20:09:36,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:09:36,375 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:09:36,375 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:09:36,376 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:09:36,377 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (1/1) ... [2024-11-16 20:09:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:09:36,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:09:36,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:09:36,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:09:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-16 20:09:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-16 20:09:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-11-16 20:09:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-11-16 20:09:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:09:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:09:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-16 20:09:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-16 20:09:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:09:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:09:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 20:09:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:09:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:09:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:09:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:09:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:09:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:09:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:09:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:09:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:09:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-16 20:09:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-16 20:09:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-16 20:09:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-16 20:09:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-16 20:09:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-16 20:09:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 20:09:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 20:09:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-11-16 20:09:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-11-16 20:09:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-16 20:09:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-16 20:09:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 20:09:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 20:09:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-16 20:09:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:09:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:09:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:09:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:09:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-16 20:09:36,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-16 20:09:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-16 20:09:36,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-16 20:09:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-16 20:09:36,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-16 20:09:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-16 20:09:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-16 20:09:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-16 20:09:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-16 20:09:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:09:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-16 20:09:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-16 20:09:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:09:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:09:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-16 20:09:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-16 20:09:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-16 20:09:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-16 20:09:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-16 20:09:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-16 20:09:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:09:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:09:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-16 20:09:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-16 20:09:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-16 20:09:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-16 20:09:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-16 20:09:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 20:09:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-16 20:09:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-16 20:09:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-16 20:09:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-16 20:09:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-16 20:09:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-16 20:09:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-16 20:09:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-16 20:09:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-16 20:09:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-16 20:09:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-16 20:09:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-16 20:09:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-16 20:09:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-16 20:09:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-16 20:09:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-16 20:09:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-16 20:09:36,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-16 20:09:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:09:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:09:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:09:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-16 20:09:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-16 20:09:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-16 20:09:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-16 20:09:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:09:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:09:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:09:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:09:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:09:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:09:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 20:09:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 20:09:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:09:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:09:36,894 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:09:36,897 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:09:36,988 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7025: havoc usb_register_driver_#t~nondet429#1; [2024-11-16 20:09:36,992 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7029: havoc #t~nondet430; [2024-11-16 20:09:37,015 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5809: call ULTIMATE.dealloc(~#cmd~0.base, ~#cmd~0.offset);havoc ~#cmd~0.base, ~#cmd~0.offset; [2024-11-16 20:09:37,047 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5248: havoc #t~mem38;havoc #t~bitwise39; [2024-11-16 20:09:37,065 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912: havoc #t~malloc412.base, #t~malloc412.offset; [2024-11-16 20:09:37,145 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-16 20:09:37,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5780: call ULTIMATE.dealloc(~#actual_length~0#1.base, ~#actual_length~0#1.offset);havoc ~#actual_length~0#1.base, ~#actual_length~0#1.offset; [2024-11-16 20:09:37,310 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7015: havoc usb_bulk_msg_#t~nondet428#1; [2024-11-16 20:09:37,327 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7036: havoc usb_unlink_urb_#t~nondet431#1; [2024-11-16 20:09:37,390 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: havoc #t~nondet426; [2024-11-16 20:09:37,395 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: havoc #t~nondet418; [2024-11-16 20:09:37,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: havoc __kmalloc_#t~ret413#1.base, __kmalloc_#t~ret413#1.offset; [2024-11-16 20:09:37,427 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6963: havoc dev_set_drvdata_#t~nondet420#1; [2024-11-16 20:09:37,433 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4970: havoc #t~mem10.base, #t~mem10.offset; [2024-11-16 20:09:37,436 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: havoc #t~ret422.base, #t~ret422.offset; [2024-11-16 20:09:37,442 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967: havoc #t~nondet421; [2024-11-16 20:09:42,984 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: havoc register_candev_#t~nondet427#1; [2024-11-16 20:09:42,984 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6959: havoc dev_get_drvdata_#t~ret419#1.base, dev_get_drvdata_#t~ret419#1.offset; [2024-11-16 20:09:42,984 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4881: havoc atomic_read_#t~mem4#1; [2024-11-16 20:09:42,984 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: havoc open_candev_#t~nondet425#1; [2024-11-16 20:09:42,984 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6934: havoc alloc_candev_#t~ret417#1.base, alloc_candev_#t~ret417#1.offset; [2024-11-16 20:09:42,985 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6673: assume false; [2024-11-16 20:09:42,985 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6673: assume !false; [2024-11-16 20:09:43,152 INFO L? ?]: Removed 601 outVars from TransFormulas that were not future-live. [2024-11-16 20:09:43,152 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:09:43,193 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:09:43,193 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:09:43,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:09:43 BoogieIcfgContainer [2024-11-16 20:09:43,194 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:09:43,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:09:43,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:09:43,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:09:43,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:09:33" (1/3) ... [2024-11-16 20:09:43,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3166f659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:09:43, skipping insertion in model container [2024-11-16 20:09:43,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:09:35" (2/3) ... [2024-11-16 20:09:43,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3166f659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:09:43, skipping insertion in model container [2024-11-16 20:09:43,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:09:43" (3/3) ... [2024-11-16 20:09:43,204 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-16 20:09:43,219 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:09:43,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:09:43,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:09:43,308 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;@159f910c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:09:43,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:09:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 573 states, 422 states have (on average 1.3009478672985781) internal successors, (549), 434 states have internal predecessors, (549), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-16 20:09:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-16 20:09:43,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:09:43,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:09:43,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:09:43,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:09:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash 556579890, now seen corresponding path program 1 times [2024-11-16 20:09:43,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:09:43,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719562955] [2024-11-16 20:09:43,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:09:43,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:09:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:46,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:09:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:09:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 20:09:46,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:09:46,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719562955] [2024-11-16 20:09:46,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719562955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:09:46,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:09:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:09:46,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996419508] [2024-11-16 20:09:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:09:46,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:09:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:09:46,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:09:46,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:09:46,758 INFO L87 Difference]: Start difference. First operand has 573 states, 422 states have (on average 1.3009478672985781) internal successors, (549), 434 states have internal predecessors, (549), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 20:09:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:09:47,281 INFO L93 Difference]: Finished difference Result 1116 states and 1530 transitions. [2024-11-16 20:09:47,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:09:47,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-16 20:09:47,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:09:47,304 INFO L225 Difference]: With dead ends: 1116 [2024-11-16 20:09:47,305 INFO L226 Difference]: Without dead ends: 552 [2024-11-16 20:09:47,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:09:47,314 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 0 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:09:47,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2805 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 20:09:47,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-16 20:09:47,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2024-11-16 20:09:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 404 states have (on average 1.2227722772277227) internal successors, (494), 412 states have internal predecessors, (494), 110 states have call successors, (110), 37 states have call predecessors, (110), 37 states have return successors, (107), 105 states have call predecessors, (107), 106 states have call successors, (107) [2024-11-16 20:09:47,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 711 transitions. [2024-11-16 20:09:47,400 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 711 transitions. Word has length 22 [2024-11-16 20:09:47,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:09:47,401 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 711 transitions. [2024-11-16 20:09:47,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 20:09:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 711 transitions. [2024-11-16 20:09:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-16 20:09:47,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:09:47,403 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 20:09:47,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:09:47,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:09:47,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:09:47,404 INFO L85 PathProgramCache]: Analyzing trace with hash -206354339, now seen corresponding path program 1 times [2024-11-16 20:09:47,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:09:47,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901560538] [2024-11-16 20:09:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:09:47,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:09:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:49,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:09:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:09:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:09:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:09:49,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:09:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901560538] [2024-11-16 20:09:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901560538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:09:49,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:09:49,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:09:49,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229975145] [2024-11-16 20:09:49,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:09:49,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:09:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:09:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:09:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:09:49,829 INFO L87 Difference]: Start difference. First operand 552 states and 711 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 20:09:50,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:09:50,090 INFO L93 Difference]: Finished difference Result 1612 states and 2090 transitions. [2024-11-16 20:09:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:09:50,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-16 20:09:50,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:09:50,098 INFO L225 Difference]: With dead ends: 1612 [2024-11-16 20:09:50,098 INFO L226 Difference]: Without dead ends: 1080 [2024-11-16 20:09:50,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:09:50,101 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 695 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:09:50,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1467 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:09:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-11-16 20:09:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1075. [2024-11-16 20:09:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 789 states have (on average 1.2230671736375158) internal successors, (965), 801 states have internal predecessors, (965), 213 states have call successors, (213), 72 states have call predecessors, (213), 72 states have return successors, (213), 206 states have call predecessors, (213), 209 states have call successors, (213) [2024-11-16 20:09:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1391 transitions. [2024-11-16 20:09:50,182 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1391 transitions. Word has length 27 [2024-11-16 20:09:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:09:50,183 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1391 transitions. [2024-11-16 20:09:50,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 20:09:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1391 transitions. [2024-11-16 20:09:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-16 20:09:50,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:09:50,186 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 20:09:50,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:09:50,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:09:50,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:09:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash -2120028025, now seen corresponding path program 1 times [2024-11-16 20:09:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:09:50,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933009170] [2024-11-16 20:09:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:09:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:09:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:09:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:52,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:09:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:52,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:09:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:09:52,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:09:52,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933009170] [2024-11-16 20:09:52,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933009170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:09:52,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:09:52,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:09:52,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932594183] [2024-11-16 20:09:52,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:09:52,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:09:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:09:52,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:09:52,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:09:52,421 INFO L87 Difference]: Start difference. First operand 1075 states and 1391 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 20:09:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:09:52,755 INFO L93 Difference]: Finished difference Result 3182 states and 4132 transitions. [2024-11-16 20:09:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:09:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-16 20:09:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:09:52,774 INFO L225 Difference]: With dead ends: 3182 [2024-11-16 20:09:52,774 INFO L226 Difference]: Without dead ends: 2117 [2024-11-16 20:09:52,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:09:52,781 INFO L432 NwaCegarLoop]: 814 mSDtfsCounter, 694 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 20:09:52,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 1486 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 20:09:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2024-11-16 20:09:52,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2105. [2024-11-16 20:09:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1546 states have (on average 1.221216041397154) internal successors, (1888), 1565 states have internal predecessors, (1888), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-11-16 20:09:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2730 transitions. [2024-11-16 20:09:52,904 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2730 transitions. Word has length 28 [2024-11-16 20:09:52,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:09:52,905 INFO L471 AbstractCegarLoop]: Abstraction has 2105 states and 2730 transitions. [2024-11-16 20:09:52,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 20:09:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2730 transitions. [2024-11-16 20:09:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 20:09:52,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:09:52,914 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:09:52,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 20:09:52,914 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:09:52,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:09:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash 797551568, now seen corresponding path program 1 times [2024-11-16 20:09:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:09:52,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374377808] [2024-11-16 20:09:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:09:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:09:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:09:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:09:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 20:09:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:09:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 20:09:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:09:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:09:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 20:09:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 20:09:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:09:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 20:09:55,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:09:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374377808] [2024-11-16 20:09:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374377808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:09:55,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:09:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:09:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295472517] [2024-11-16 20:09:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:09:55,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:09:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:09:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:09:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:09:55,348 INFO L87 Difference]: Start difference. First operand 2105 states and 2730 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 20:09:59,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:03,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:11,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:10:11,390 INFO L93 Difference]: Finished difference Result 5285 states and 7135 transitions. [2024-11-16 20:10:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:10:11,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-11-16 20:10:11,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:10:11,412 INFO L225 Difference]: With dead ends: 5285 [2024-11-16 20:10:11,412 INFO L226 Difference]: Without dead ends: 3195 [2024-11-16 20:10:11,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:10:11,420 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 590 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 376 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:10:11,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1479 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 848 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2024-11-16 20:10:11,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2024-11-16 20:10:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 3064. [2024-11-16 20:10:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 2253 states have (on average 1.2534398579671548) internal successors, (2824), 2288 states have internal predecessors, (2824), 670 states have call successors, (670), 141 states have call predecessors, (670), 140 states have return successors, (684), 650 states have call predecessors, (684), 666 states have call successors, (684) [2024-11-16 20:10:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4178 transitions. [2024-11-16 20:10:11,554 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4178 transitions. Word has length 84 [2024-11-16 20:10:11,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:10:11,555 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4178 transitions. [2024-11-16 20:10:11,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 20:10:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4178 transitions. [2024-11-16 20:10:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 20:10:11,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:10:11,560 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 20:10:11,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 20:10:11,560 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:10:11,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:10:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash 184701242, now seen corresponding path program 1 times [2024-11-16 20:10:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:10:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528175439] [2024-11-16 20:10:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:10:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:10:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:13,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:10:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:10:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:13,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:10:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 20:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 20:10:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 20:10:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 20:10:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 20:10:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 20:10:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 20:10:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-16 20:10:14,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:10:14,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528175439] [2024-11-16 20:10:14,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528175439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:10:14,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:10:14,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 20:10:14,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655822220] [2024-11-16 20:10:14,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:10:14,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 20:10:14,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:10:14,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 20:10:14,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:10:14,218 INFO L87 Difference]: Start difference. First operand 3064 states and 4178 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-16 20:10:18,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:22,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:26,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:10:35,302 INFO L93 Difference]: Finished difference Result 6220 states and 8569 transitions. [2024-11-16 20:10:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:10:35,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 92 [2024-11-16 20:10:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:10:35,323 INFO L225 Difference]: With dead ends: 6220 [2024-11-16 20:10:35,323 INFO L226 Difference]: Without dead ends: 3172 [2024-11-16 20:10:35,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 20:10:35,336 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 316 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 243 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-16 20:10:35,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 2330 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1148 Invalid, 3 Unknown, 0 Unchecked, 20.8s Time] [2024-11-16 20:10:35,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2024-11-16 20:10:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3111. [2024-11-16 20:10:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3111 states, 2290 states have (on average 1.2510917030567685) internal successors, (2865), 2328 states have internal predecessors, (2865), 670 states have call successors, (670), 141 states have call predecessors, (670), 150 states have return successors, (720), 657 states have call predecessors, (720), 666 states have call successors, (720) [2024-11-16 20:10:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 3111 states and 4255 transitions. [2024-11-16 20:10:35,481 INFO L78 Accepts]: Start accepts. Automaton has 3111 states and 4255 transitions. Word has length 92 [2024-11-16 20:10:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:10:35,481 INFO L471 AbstractCegarLoop]: Abstraction has 3111 states and 4255 transitions. [2024-11-16 20:10:35,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-16 20:10:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 4255 transitions. [2024-11-16 20:10:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 20:10:35,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:10:35,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:10:35,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 20:10:35,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:10:35,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:10:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1700276848, now seen corresponding path program 1 times [2024-11-16 20:10:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:10:35,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137923571] [2024-11-16 20:10:35,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:10:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:10:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:10:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:10:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 20:10:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:10:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 20:10:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 20:10:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 20:10:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 20:10:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 20:10:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 20:10:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:10:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-16 20:10:38,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:10:38,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137923571] [2024-11-16 20:10:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137923571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:10:38,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:10:38,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 20:10:38,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347934542] [2024-11-16 20:10:38,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:10:38,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 20:10:38,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:10:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 20:10:38,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 20:10:38,410 INFO L87 Difference]: Start difference. First operand 3111 states and 4255 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-16 20:10:42,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:46,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:10:50,556 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 []