./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i -s /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 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:23:02,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:23:02,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:23:02,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:23:02,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:23:02,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:23:02,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:23:02,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:23:02,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:23:02,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:23:02,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:23:02,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:23:02,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:23:02,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:23:02,740 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:23:02,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:23:02,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:23:02,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:23:02,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:23:02,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:23:02,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:23:02,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:23:02,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:23:02,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:23:02,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:23:02,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:23:02,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:23:02,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:23:02,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:23:02,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:23:02,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:23:02,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:23:02,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:23:02,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:23:02,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 [2024-10-13 08:23:02,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:23:03,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:23:03,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:23:03,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:23:03,006 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:23:03,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2024-10-13 08:23:04,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:23:04,719 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:23:04,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2024-10-13 08:23:04,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989b9d8da/44e183a6d2bb45c1bb8459521c8ca690/FLAGad6348c11 [2024-10-13 08:23:04,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989b9d8da/44e183a6d2bb45c1bb8459521c8ca690 [2024-10-13 08:23:04,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:23:04,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:23:04,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:23:04,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:23:04,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:23:04,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:04" (1/1) ... [2024-10-13 08:23:04,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:04, skipping insertion in model container [2024-10-13 08:23:04,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:04" (1/1) ... [2024-10-13 08:23:04,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:23:06,254 WARN L248 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2024-10-13 08:23:06,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:23:06,344 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:23:06,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5574] [2024-10-13 08:23:06,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5581] [2024-10-13 08:23:06,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5752] [2024-10-13 08:23:06,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5760] [2024-10-13 08:23:06,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5768] [2024-10-13 08:23:06,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5775] [2024-10-13 08:23:06,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5782] [2024-10-13 08:23:06,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5789] [2024-10-13 08:23:06,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5980-5981] [2024-10-13 08:23:06,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6009-6010] [2024-10-13 08:23:06,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6039-6040] [2024-10-13 08:23:06,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6069-6070] [2024-10-13 08:23:06,611 WARN L248 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2024-10-13 08:23:06,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:23:06,746 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:23:06,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06 WrapperNode [2024-10-13 08:23:06,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:23:06,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:23:06,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:23:06,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:23:06,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:06,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:06,949 INFO L138 Inliner]: procedures = 226, calls = 1496, calls flagged for inlining = 121, calls inlined = 118, statements flattened = 4349 [2024-10-13 08:23:06,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:23:06,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:23:06,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:23:06,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:23:06,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:06,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,303 INFO L175 MemorySlicer]: Split 957 memory accesses to 13 slices as follows [2, 6, 8, 205, 632, 2, 8, 9, 9, 9, 9, 17, 41]. 66 percent of accesses are in the largest equivalence class. The 508 initializations are split as follows [2, 0, 8, 205, 198, 0, 8, 8, 8, 8, 8, 14, 41]. The 139 writes are split as follows [0, 1, 0, 0, 138, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-10-13 08:23:07,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:23:07,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:23:07,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:23:07,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:23:07,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (1/1) ... [2024-10-13 08:23:07,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:23:07,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:23:07,489 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) [2024-10-13 08:23:07,492 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 [2024-10-13 08:23:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2024-10-13 08:23:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2024-10-13 08:23:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-13 08:23:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-13 08:23:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-13 08:23:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-13 08:23:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-13 08:23:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-13 08:23:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-13 08:23:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-13 08:23:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:23:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-13 08:23:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-13 08:23:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-10-13 08:23:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-13 08:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 08:23:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-13 08:23:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-13 08:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-13 08:23:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-13 08:23:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-13 08:23:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-13 08:23:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-13 08:23:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-13 08:23:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:23:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-13 08:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-13 08:23:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-13 08:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-13 08:23:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-10-13 08:23:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-13 08:23:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:23:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:23:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:23:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-13 08:23:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-13 08:23:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-13 08:23:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-13 08:23:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-13 08:23:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-13 08:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-13 08:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-13 08:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-13 08:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-13 08:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-13 08:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-13 08:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-13 08:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-13 08:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-13 08:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-10-13 08:23:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-13 08:23:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-13 08:23:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-13 08:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-13 08:23:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-10-13 08:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:23:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-13 08:23:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-10-13 08:23:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-10-13 08:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-13 08:23:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-13 08:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-13 08:23:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-13 08:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2024-10-13 08:23:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2024-10-13 08:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-13 08:23:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-13 08:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-13 08:23:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-13 08:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-13 08:23:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-13 08:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-13 08:23:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-13 08:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-13 08:23:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-13 08:23:07,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-13 08:23:07,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-13 08:23:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-13 08:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-13 08:23:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-13 08:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-10-13 08:23:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-13 08:23:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-13 08:23:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-10-13 08:23:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-10-13 08:23:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-10-13 08:23:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-13 08:23:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-13 08:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:23:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:23:08,075 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:23:08,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:23:08,203 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:23:10,958 INFO L? ?]: Removed 1721 outVars from TransFormulas that were not future-live. [2024-10-13 08:23:10,958 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:23:11,138 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:23:11,140 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 08:23:11,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:11 BoogieIcfgContainer [2024-10-13 08:23:11,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:23:11,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:23:11,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:23:11,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:23:11,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:23:04" (1/3) ... [2024-10-13 08:23:11,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27083254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:11, skipping insertion in model container [2024-10-13 08:23:11,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06" (2/3) ... [2024-10-13 08:23:11,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27083254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:11, skipping insertion in model container [2024-10-13 08:23:11,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:11" (3/3) ... [2024-10-13 08:23:11,149 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2024-10-13 08:23:11,164 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:23:11,165 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:23:11,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:23:11,257 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;@31ee3fb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:23:11,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:23:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 1248 states, 867 states have (on average 1.4382929642445212) internal successors, (1247), 897 states have internal predecessors, (1247), 321 states have call successors, (321), 59 states have call predecessors, (321), 58 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) [2024-10-13 08:23:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-13 08:23:11,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:11,304 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:11,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:11,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -997416252, now seen corresponding path program 1 times [2024-10-13 08:23:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589197688] [2024-10-13 08:23:11,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 08:23:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 08:23:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:12,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:12,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589197688] [2024-10-13 08:23:12,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589197688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:12,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:12,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:23:12,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103922355] [2024-10-13 08:23:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:12,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:23:12,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:12,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:23:12,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:23:12,219 INFO L87 Difference]: Start difference. First operand has 1248 states, 867 states have (on average 1.4382929642445212) internal successors, (1247), 897 states have internal predecessors, (1247), 321 states have call successors, (321), 59 states have call predecessors, (321), 58 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:15,435 INFO L93 Difference]: Finished difference Result 2660 states and 4074 transitions. [2024-10-13 08:23:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 08:23:15,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-10-13 08:23:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:15,459 INFO L225 Difference]: With dead ends: 2660 [2024-10-13 08:23:15,459 INFO L226 Difference]: Without dead ends: 1399 [2024-10-13 08:23:15,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:23:15,474 INFO L432 NwaCegarLoop]: 975 mSDtfsCounter, 1153 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 3485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:15,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2672 Invalid, 3485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 2676 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 08:23:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-10-13 08:23:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1232. [2024-10-13 08:23:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 861 states have (on average 1.4099883855981417) internal successors, (1214), 881 states have internal predecessors, (1214), 313 states have call successors, (313), 58 states have call predecessors, (313), 57 states have return successors, (312), 302 states have call predecessors, (312), 312 states have call successors, (312) [2024-10-13 08:23:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1839 transitions. [2024-10-13 08:23:15,621 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1839 transitions. Word has length 139 [2024-10-13 08:23:15,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:15,621 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1839 transitions. [2024-10-13 08:23:15,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1839 transitions. [2024-10-13 08:23:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-13 08:23:15,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:15,628 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:15,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:23:15,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:15,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:15,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1867712440, now seen corresponding path program 1 times [2024-10-13 08:23:15,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:15,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940806728] [2024-10-13 08:23:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:15,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:15,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 08:23:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 08:23:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:16,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:16,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940806728] [2024-10-13 08:23:16,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940806728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:16,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:16,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:16,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738525443] [2024-10-13 08:23:16,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:16,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:16,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:16,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:16,213 INFO L87 Difference]: Start difference. First operand 1232 states and 1839 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:21,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:21,370 INFO L93 Difference]: Finished difference Result 3470 states and 5204 transitions. [2024-10-13 08:23:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:23:21,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-10-13 08:23:21,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:21,385 INFO L225 Difference]: With dead ends: 3470 [2024-10-13 08:23:21,386 INFO L226 Difference]: Without dead ends: 2262 [2024-10-13 08:23:21,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:23:21,392 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 2830 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 1556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1556 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:21,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 3317 Invalid, 5398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1556 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-13 08:23:21,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-13 08:23:21,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 1883. [2024-10-13 08:23:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1323 states have (on average 1.4051398337112624) internal successors, (1859), 1353 states have internal predecessors, (1859), 459 states have call successors, (459), 101 states have call predecessors, (459), 100 states have return successors, (458), 444 states have call predecessors, (458), 458 states have call successors, (458) [2024-10-13 08:23:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2776 transitions. [2024-10-13 08:23:21,494 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2776 transitions. Word has length 139 [2024-10-13 08:23:21,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:21,496 INFO L471 AbstractCegarLoop]: Abstraction has 1883 states and 2776 transitions. [2024-10-13 08:23:21,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2776 transitions. [2024-10-13 08:23:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 08:23:21,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:21,500 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:21,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:23:21,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:21,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:21,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1781102963, now seen corresponding path program 1 times [2024-10-13 08:23:21,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:21,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925525968] [2024-10-13 08:23:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:21,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 08:23:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 08:23:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 08:23:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 08:23:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:22,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:22,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925525968] [2024-10-13 08:23:22,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925525968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:22,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:22,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:23:22,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031879179] [2024-10-13 08:23:22,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:22,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:23:22,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:23:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:23:22,167 INFO L87 Difference]: Start difference. First operand 1883 states and 2776 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:28,299 INFO L93 Difference]: Finished difference Result 6281 states and 9386 transitions. [2024-10-13 08:23:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 08:23:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 150 [2024-10-13 08:23:28,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:28,319 INFO L225 Difference]: With dead ends: 6281 [2024-10-13 08:23:28,320 INFO L226 Difference]: Without dead ends: 4422 [2024-10-13 08:23:28,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-13 08:23:28,328 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 4936 mSDsluCounter, 4556 mSDsCounter, 0 mSdLazyCounter, 6343 mSolverCounterSat, 3605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5168 SdHoareTripleChecker+Valid, 5684 SdHoareTripleChecker+Invalid, 9948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3605 IncrementalHoareTripleChecker+Valid, 6343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:28,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5168 Valid, 5684 Invalid, 9948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3605 Valid, 6343 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-13 08:23:28,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2024-10-13 08:23:28,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 3749. [2024-10-13 08:23:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3749 states, 2640 states have (on average 1.4049242424242425) internal successors, (3709), 2700 states have internal predecessors, (3709), 908 states have call successors, (908), 201 states have call predecessors, (908), 200 states have return successors, (907), 879 states have call predecessors, (907), 907 states have call successors, (907) [2024-10-13 08:23:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 3749 states and 5524 transitions. [2024-10-13 08:23:28,482 INFO L78 Accepts]: Start accepts. Automaton has 3749 states and 5524 transitions. Word has length 150 [2024-10-13 08:23:28,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:28,482 INFO L471 AbstractCegarLoop]: Abstraction has 3749 states and 5524 transitions. [2024-10-13 08:23:28,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 5524 transitions. [2024-10-13 08:23:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 08:23:28,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:28,487 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:28,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:23:28,488 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:28,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:28,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2099147222, now seen corresponding path program 1 times [2024-10-13 08:23:28,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:28,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869088163] [2024-10-13 08:23:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 08:23:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 08:23:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 08:23:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 08:23:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:29,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869088163] [2024-10-13 08:23:29,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869088163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:29,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:29,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:23:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768181108] [2024-10-13 08:23:29,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:29,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:23:29,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:23:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:23:29,065 INFO L87 Difference]: Start difference. First operand 3749 states and 5524 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:34,723 INFO L93 Difference]: Finished difference Result 12551 states and 18731 transitions. [2024-10-13 08:23:34,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 08:23:34,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 148 [2024-10-13 08:23:34,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:34,766 INFO L225 Difference]: With dead ends: 12551 [2024-10-13 08:23:34,766 INFO L226 Difference]: Without dead ends: 8826 [2024-10-13 08:23:34,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-13 08:23:34,783 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 4923 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 6349 mSolverCounterSat, 3607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5155 SdHoareTripleChecker+Valid, 5689 SdHoareTripleChecker+Invalid, 9956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3607 IncrementalHoareTripleChecker+Valid, 6349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:34,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5155 Valid, 5689 Invalid, 9956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3607 Valid, 6349 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-13 08:23:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8826 states. [2024-10-13 08:23:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8826 to 7487. [2024-10-13 08:23:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7487 states, 5278 states have (on average 1.4035619552860932) internal successors, (7408), 5398 states have internal predecessors, (7408), 1806 states have call successors, (1806), 403 states have call predecessors, (1806), 402 states have return successors, (1805), 1749 states have call predecessors, (1805), 1805 states have call successors, (1805) [2024-10-13 08:23:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7487 states to 7487 states and 11019 transitions. [2024-10-13 08:23:35,167 INFO L78 Accepts]: Start accepts. Automaton has 7487 states and 11019 transitions. Word has length 148 [2024-10-13 08:23:35,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:35,168 INFO L471 AbstractCegarLoop]: Abstraction has 7487 states and 11019 transitions. [2024-10-13 08:23:35,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 7487 states and 11019 transitions. [2024-10-13 08:23:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 08:23:35,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:35,171 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:35,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:23:35,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:35,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash 128737918, now seen corresponding path program 1 times [2024-10-13 08:23:35,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:35,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050092849] [2024-10-13 08:23:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:35,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 08:23:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:23:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 08:23:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 08:23:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:35,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:35,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050092849] [2024-10-13 08:23:35,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050092849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:35,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:35,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:23:35,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563724817] [2024-10-13 08:23:35,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:35,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:23:35,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:23:35,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:23:35,648 INFO L87 Difference]: Start difference. First operand 7487 states and 11019 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:41,571 INFO L93 Difference]: Finished difference Result 25109 states and 37414 transitions. [2024-10-13 08:23:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 08:23:41,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 147 [2024-10-13 08:23:41,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:41,661 INFO L225 Difference]: With dead ends: 25109 [2024-10-13 08:23:41,662 INFO L226 Difference]: Without dead ends: 17646 [2024-10-13 08:23:41,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-13 08:23:41,695 INFO L432 NwaCegarLoop]: 1142 mSDtfsCounter, 4895 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 6486 mSolverCounterSat, 3553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5128 SdHoareTripleChecker+Valid, 5735 SdHoareTripleChecker+Invalid, 10039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3553 IncrementalHoareTripleChecker+Valid, 6486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:41,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5128 Valid, 5735 Invalid, 10039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3553 Valid, 6486 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-13 08:23:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17646 states. [2024-10-13 08:23:42,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17646 to 14895. [2024-10-13 08:23:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14895 states, 10498 states have (on average 1.4044579919984759) internal successors, (14744), 10762 states have internal predecessors, (14744), 3594 states have call successors, (3594), 803 states have call predecessors, (3594), 802 states have return successors, (3593), 3457 states have call predecessors, (3593), 3593 states have call successors, (3593) [2024-10-13 08:23:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 21931 transitions. [2024-10-13 08:23:42,490 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 21931 transitions. Word has length 147 [2024-10-13 08:23:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:42,491 INFO L471 AbstractCegarLoop]: Abstraction has 14895 states and 21931 transitions. [2024-10-13 08:23:42,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 21931 transitions. [2024-10-13 08:23:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-13 08:23:42,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:42,495 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-13 08:23:42,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:23:42,495 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:42,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash 503047553, now seen corresponding path program 1 times [2024-10-13 08:23:42,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:42,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170094220] [2024-10-13 08:23:42,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:42,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 08:23:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:23:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 08:23:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 08:23:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:43,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:43,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170094220] [2024-10-13 08:23:43,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170094220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:43,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:43,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:23:43,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153058840] [2024-10-13 08:23:43,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:43,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:23:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:43,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:23:43,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:23:43,006 INFO L87 Difference]: Start difference. First operand 14895 states and 21931 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:49,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:49,699 INFO L93 Difference]: Finished difference Result 49098 states and 73108 transitions. [2024-10-13 08:23:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 08:23:49,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 149 [2024-10-13 08:23:49,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:49,845 INFO L225 Difference]: With dead ends: 49098 [2024-10-13 08:23:49,845 INFO L226 Difference]: Without dead ends: 34227 [2024-10-13 08:23:49,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-13 08:23:49,907 INFO L432 NwaCegarLoop]: 957 mSDtfsCounter, 4153 mSDsluCounter, 4590 mSDsCounter, 0 mSdLazyCounter, 6861 mSolverCounterSat, 2915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4386 SdHoareTripleChecker+Valid, 5547 SdHoareTripleChecker+Invalid, 9776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2915 IncrementalHoareTripleChecker+Valid, 6861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:49,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4386 Valid, 5547 Invalid, 9776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2915 Valid, 6861 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-13 08:23:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34227 states. [2024-10-13 08:23:51,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34227 to 29162. [2024-10-13 08:23:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29162 states, 20537 states have (on average 1.4030286799435165) internal successors, (28814), 21049 states have internal predecessors, (28814), 7037 states have call successors, (7037), 1588 states have call predecessors, (7037), 1587 states have return successors, (7036), 6776 states have call predecessors, (7036), 7036 states have call successors, (7036) [2024-10-13 08:23:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29162 states to 29162 states and 42887 transitions. [2024-10-13 08:23:51,314 INFO L78 Accepts]: Start accepts. Automaton has 29162 states and 42887 transitions. Word has length 149 [2024-10-13 08:23:51,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:51,315 INFO L471 AbstractCegarLoop]: Abstraction has 29162 states and 42887 transitions. [2024-10-13 08:23:51,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 08:23:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 29162 states and 42887 transitions. [2024-10-13 08:23:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-13 08:23:51,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:51,318 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:23:51,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 08:23:51,318 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:51,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1850602443, now seen corresponding path program 1 times [2024-10-13 08:23:51,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:51,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110484844] [2024-10-13 08:23:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 08:23:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 08:23:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 08:23:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 08:23:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 08:23:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-10-13 08:23:52,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:52,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110484844] [2024-10-13 08:23:52,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110484844] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:23:52,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899097076] [2024-10-13 08:23:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:52,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:23:52,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:23:52,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:23:52,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 08:23:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:53,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 08:23:53,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:23:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-13 08:23:53,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:23:53,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899097076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:53,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:23:53,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-13 08:23:53,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343607563] [2024-10-13 08:23:53,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:53,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:23:53,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:53,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:23:53,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-13 08:23:53,065 INFO L87 Difference]: Start difference. First operand 29162 states and 42887 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-13 08:23:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:54,273 INFO L93 Difference]: Finished difference Result 29196 states and 42951 transitions. [2024-10-13 08:23:54,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:23:54,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2024-10-13 08:23:54,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:54,377 INFO L225 Difference]: With dead ends: 29196 [2024-10-13 08:23:54,377 INFO L226 Difference]: Without dead ends: 29193 [2024-10-13 08:23:54,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-13 08:23:54,392 INFO L432 NwaCegarLoop]: 1716 mSDtfsCounter, 0 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:54,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3427 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 08:23:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29193 states. [2024-10-13 08:23:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29193 to 29193. [2024-10-13 08:23:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29193 states, 20568 states have (on average 1.4024212368728122) internal successors, (28845), 21080 states have internal predecessors, (28845), 7037 states have call successors, (7037), 1588 states have call predecessors, (7037), 1587 states have return successors, (7036), 6776 states have call predecessors, (7036), 7036 states have call successors, (7036) [2024-10-13 08:23:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29193 states to 29193 states and 42918 transitions. [2024-10-13 08:23:55,594 INFO L78 Accepts]: Start accepts. Automaton has 29193 states and 42918 transitions. Word has length 161 [2024-10-13 08:23:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:55,596 INFO L471 AbstractCegarLoop]: Abstraction has 29193 states and 42918 transitions. [2024-10-13 08:23:55,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-13 08:23:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29193 states and 42918 transitions. [2024-10-13 08:23:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 08:23:55,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:55,600 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:23:55,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 08:23:55,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:23:55,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:55,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash -847185254, now seen corresponding path program 1 times [2024-10-13 08:23:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:55,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361103282] [2024-10-13 08:23:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:23:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:23:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 08:23:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 08:23:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 08:23:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 08:23:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 08:23:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-10-13 08:23:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:56,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361103282] [2024-10-13 08:23:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361103282] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:23:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690007345] [2024-10-13 08:23:56,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:23:56,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:23:56,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:23:56,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 08:23:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:57,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 2712 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 08:23:57,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:23:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:23:57,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:23:57,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690007345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:57,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:23:57,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-10-13 08:23:57,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996542480] [2024-10-13 08:23:57,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:57,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:23:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:23:57,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-13 08:23:57,597 INFO L87 Difference]: Start difference. First operand 29193 states and 42918 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-13 08:23:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:59,760 INFO L93 Difference]: Finished difference Result 72995 states and 107250 transitions. [2024-10-13 08:23:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 08:23:59,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 163 [2024-10-13 08:23:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:59,928 INFO L225 Difference]: With dead ends: 72995 [2024-10-13 08:23:59,928 INFO L226 Difference]: Without dead ends: 43826 [2024-10-13 08:24:00,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-10-13 08:24:00,200 INFO L432 NwaCegarLoop]: 2231 mSDtfsCounter, 1850 mSDsluCounter, 10606 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 12837 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:24:00,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 12837 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:24:00,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43826 states. [2024-10-13 08:24:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43826 to 43531. [2024-10-13 08:24:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43531 states, 30678 states have (on average 1.402796792489732) internal successors, (43035), 31462 states have internal predecessors, (43035), 10472 states have call successors, (10472), 2365 states have call predecessors, (10472), 2380 states have return successors, (10511), 10079 states have call predecessors, (10511), 10471 states have call successors, (10511) [2024-10-13 08:24:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43531 states to 43531 states and 64018 transitions. [2024-10-13 08:24:02,514 INFO L78 Accepts]: Start accepts. Automaton has 43531 states and 64018 transitions. Word has length 163 [2024-10-13 08:24:02,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:24:02,514 INFO L471 AbstractCegarLoop]: Abstraction has 43531 states and 64018 transitions. [2024-10-13 08:24:02,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-13 08:24:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 43531 states and 64018 transitions. [2024-10-13 08:24:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 08:24:02,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:24:02,519 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:24:02,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 08:24:02,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-13 08:24:02,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:24:02,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:24:02,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1933643935, now seen corresponding path program 1 times [2024-10-13 08:24:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:24:02,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34552760] [2024-10-13 08:24:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:24:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:24:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:24:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:24:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:24:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:24:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:24:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:24:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:24:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 08:24:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 08:24:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 08:24:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:24:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:24:03,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:24:03,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34552760] [2024-10-13 08:24:03,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34552760] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:24:03,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139367046] [2024-10-13 08:24:03,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:03,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:24:03,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:24:03,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:24:03,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 08:24:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:04,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 2714 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 08:24:04,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:24:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:24:04,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:24:04,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139367046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:24:04,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:24:04,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-13 08:24:04,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126956505] [2024-10-13 08:24:04,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:24:04,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:24:04,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:24:04,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:24:04,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-13 08:24:04,330 INFO L87 Difference]: Start difference. First operand 43531 states and 64018 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-13 08:24:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:24:07,282 INFO L93 Difference]: Finished difference Result 101777 states and 149542 transitions. [2024-10-13 08:24:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 08:24:07,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2024-10-13 08:24:07,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:24:07,547 INFO L225 Difference]: With dead ends: 101777 [2024-10-13 08:24:07,547 INFO L226 Difference]: Without dead ends: 58270 [2024-10-13 08:24:07,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-10-13 08:24:07,658 INFO L432 NwaCegarLoop]: 2401 mSDtfsCounter, 1850 mSDsluCounter, 11274 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 13675 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:24:07,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 13675 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:24:07,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58270 states. [2024-10-13 08:24:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58270 to 57933. [2024-10-13 08:24:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57933 states, 40828 states have (on average 1.4025913588713628) internal successors, (57265), 41916 states have internal predecessors, (57265), 13907 states have call successors, (13907), 3142 states have call predecessors, (13907), 3197 states have return successors, (14010), 13374 states have call predecessors, (14010), 13906 states have call successors, (14010) [2024-10-13 08:24:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57933 states to 57933 states and 85182 transitions. [2024-10-13 08:24:10,699 INFO L78 Accepts]: Start accepts. Automaton has 57933 states and 85182 transitions. Word has length 164 [2024-10-13 08:24:10,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:24:10,699 INFO L471 AbstractCegarLoop]: Abstraction has 57933 states and 85182 transitions. [2024-10-13 08:24:10,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-13 08:24:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 57933 states and 85182 transitions. [2024-10-13 08:24:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 08:24:10,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:24:10,704 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:24:10,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 08:24:10,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:24:10,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:24:10,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:24:10,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1805867475, now seen corresponding path program 1 times [2024-10-13 08:24:10,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:24:10,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990824044] [2024-10-13 08:24:10,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:24:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:24:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:24:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:24:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:24:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:24:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:24:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 08:24:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 08:24:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 08:24:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 08:24:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 08:24:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 08:24:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:24:11,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:24:11,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990824044] [2024-10-13 08:24:11,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990824044] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:24:11,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346651788] [2024-10-13 08:24:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:24:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:24:11,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:24:11,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 08:24:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:12,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 2716 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 08:24:12,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:24:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-13 08:24:12,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:24:12,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346651788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:24:12,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:24:12,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-13 08:24:12,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137940071] [2024-10-13 08:24:12,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:24:12,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:24:12,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:24:12,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:24:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-13 08:24:12,706 INFO L87 Difference]: Start difference. First operand 57933 states and 85182 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-13 08:24:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:24:16,008 INFO L93 Difference]: Finished difference Result 130559 states and 191834 transitions. [2024-10-13 08:24:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 08:24:16,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 165 [2024-10-13 08:24:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:24:16,537 INFO L225 Difference]: With dead ends: 130559 [2024-10-13 08:24:16,538 INFO L226 Difference]: Without dead ends: 72650 [2024-10-13 08:24:16,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-10-13 08:24:16,686 INFO L432 NwaCegarLoop]: 2428 mSDtfsCounter, 1850 mSDsluCounter, 11382 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 13810 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:24:16,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 13810 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:24:16,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72650 states.