./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--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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--realtek--atp.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 b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 15:41:43,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:41:43,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:41:43,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:41:43,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:41:43,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:41:43,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:41:43,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:41:43,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:41:43,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:41:43,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:41:43,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:41:43,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:41:43,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:41:43,412 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:41:43,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:41:43,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:41:43,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:41:43,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:41:43,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:41:43,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:41:43,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:41:43,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:41:43,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:41:43,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:41:43,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:41:43,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:41:43,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:41:43,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:41:43,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:41:43,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:41:43,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:41:43,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:41:43,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:41:43,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:41:43,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:41:43,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:41:43,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:41:43,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:41:43,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2024-10-14 15:41:43,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:41:43,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:41:43,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:41:43,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:41:43,657 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:41:43,658 INFO L431 ainManager$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--realtek--atp.ko-entry_point.cil.out.i [2024-10-14 15:41:44,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:41:45,155 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:41:45,155 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--realtek--atp.ko-entry_point.cil.out.i [2024-10-14 15:41:45,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f2d160a/5957c37450e34e6d88f568e45659a717/FLAG2ef78b94b [2024-10-14 15:41:45,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f2d160a/5957c37450e34e6d88f568e45659a717 [2024-10-14 15:41:45,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:41:45,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:41:45,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:41:45,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:41:45,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:41:45,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:41:45" (1/1) ... [2024-10-14 15:41:45,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325f2cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:45, skipping insertion in model container [2024-10-14 15:41:45,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:41:45" (1/1) ... [2024-10-14 15:41:45,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:41:46,229 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--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-10-14 15:41:46,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:41:46,342 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:41:46,434 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"); [5300] [2024-10-14 15:41:46,436 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)); [5307] [2024-10-14 15:41:46,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5446] [2024-10-14 15:41:46,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5454] [2024-10-14 15:41:46,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1,%b0": "=a" (_v): "d" (port)); [5637] [2024-10-14 15:41:46,511 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--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-10-14 15:41:46,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:41:46,585 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:41:46,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46 WrapperNode [2024-10-14 15:41:46,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:41:46,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:41:46,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:41:46,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:41:46,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,759 INFO L138 Inliner]: procedures = 151, calls = 711, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1994 [2024-10-14 15:41:46,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:41:46,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:41:46,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:41:46,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:41:46,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,889 INFO L175 MemorySlicer]: Split 325 memory accesses to 10 slices as follows [2, 6, 23, 4, 60, 3, 208, 4, 4, 11]. 64 percent of accesses are in the largest equivalence class. The 165 initializations are split as follows [2, 0, 23, 0, 60, 2, 66, 2, 2, 8]. The 64 writes are split as follows [0, 4, 0, 2, 0, 0, 58, 0, 0, 0]. [2024-10-14 15:41:46,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:46,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:47,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:41:47,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:41:47,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:41:47,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:41:47,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (1/1) ... [2024-10-14 15:41:47,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:41:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:41:47,034 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) [2024-10-14 15:41:47,035 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 [2024-10-14 15:41:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2024-10-14 15:41:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2024-10-14 15:41:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-14 15:41:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2024-10-14 15:41:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:41:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:41:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:41:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:41:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-14 15:41:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-14 15:41:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-10-14 15:41:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-10-14 15:41:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-14 15:41:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-14 15:41:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2024-10-14 15:41:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2024-10-14 15:41:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2024-10-14 15:41:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2024-10-14 15:41:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-14 15:41:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-14 15:41:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-14 15:41:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-14 15:41:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:41:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:41:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-14 15:41:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-14 15:41:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-10-14 15:41:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-10-14 15:41:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:41:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2024-10-14 15:41:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2024-10-14 15:41:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2024-10-14 15:41:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2024-10-14 15:41:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:41:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:41:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:41:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:41:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:41:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-14 15:41:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-14 15:41:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-14 15:41:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:41:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-14 15:41:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2024-10-14 15:41:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-14 15:41:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-14 15:41:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:41:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-14 15:41:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-14 15:41:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2024-10-14 15:41:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-14 15:41:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:41:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:41:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:41:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:41:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:41:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:41:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:41:47,405 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:41:47,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:41:47,947 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:41:48,966 INFO L? ?]: Removed 777 outVars from TransFormulas that were not future-live. [2024-10-14 15:41:48,966 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:41:49,082 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:41:49,082 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 15:41:49,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:41:49 BoogieIcfgContainer [2024-10-14 15:41:49,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:41:49,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:41:49,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:41:49,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:41:49,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:41:45" (1/3) ... [2024-10-14 15:41:49,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f5987c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:41:49, skipping insertion in model container [2024-10-14 15:41:49,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:46" (2/3) ... [2024-10-14 15:41:49,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f5987c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:41:49, skipping insertion in model container [2024-10-14 15:41:49,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:41:49" (3/3) ... [2024-10-14 15:41:49,091 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-10-14 15:41:49,104 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:41:49,104 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:41:49,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:41:49,177 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;@4ab9beaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:41:49,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:41:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 829 states, 545 states have (on average 1.4348623853211009) internal successors, (782), 560 states have internal predecessors, (782), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2024-10-14 15:41:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-14 15:41:49,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:49,222 INFO L215 NwaCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:41:49,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:49,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1005739584, now seen corresponding path program 1 times [2024-10-14 15:41:49,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:49,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872524767] [2024-10-14 15:41:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:41:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 15:41:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:41:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:41:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:41:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 15:41:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:41:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 15:41:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:49,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 15:41:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 15:41:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 15:41:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:41:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:41:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:41:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-10-14 15:41:50,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:50,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872524767] [2024-10-14 15:41:50,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872524767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:50,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:50,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:41:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606261264] [2024-10-14 15:41:50,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:50,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:41:50,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:50,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:41:50,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:41:50,086 INFO L87 Difference]: Start difference. First operand has 829 states, 545 states have (on average 1.4348623853211009) internal successors, (782), 560 states have internal predecessors, (782), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 15:41:52,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:41:52,460 INFO L93 Difference]: Finished difference Result 1780 states and 2815 transitions. [2024-10-14 15:41:52,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:41:52,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 266 [2024-10-14 15:41:52,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:41:52,483 INFO L225 Difference]: With dead ends: 1780 [2024-10-14 15:41:52,485 INFO L226 Difference]: Without dead ends: 940 [2024-10-14 15:41:52,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:41:52,499 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 1313 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 1179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 2842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1179 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:41:52,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 1335 Invalid, 2842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1179 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 15:41:52,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-14 15:41:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 815. [2024-10-14 15:41:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 540 states have (on average 1.3907407407407408) internal successors, (751), 548 states have internal predecessors, (751), 236 states have call successors, (236), 39 states have call predecessors, (236), 38 states have return successors, (235), 233 states have call predecessors, (235), 235 states have call successors, (235) [2024-10-14 15:41:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1222 transitions. [2024-10-14 15:41:52,601 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1222 transitions. Word has length 266 [2024-10-14 15:41:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:41:52,602 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1222 transitions. [2024-10-14 15:41:52,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 15:41:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1222 transitions. [2024-10-14 15:41:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-14 15:41:52,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:52,612 INFO L215 NwaCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:41:52,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:41:52,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:52,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:52,612 INFO L85 PathProgramCache]: Analyzing trace with hash -498114461, now seen corresponding path program 1 times [2024-10-14 15:41:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:52,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290769741] [2024-10-14 15:41:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 15:41:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 15:41:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:41:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 15:41:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 15:41:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 15:41:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 15:41:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 15:41:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 15:41:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 15:41:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 15:41:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:41:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:41:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:41:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-10-14 15:41:53,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290769741] [2024-10-14 15:41:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290769741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:53,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:53,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:41:53,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290921414] [2024-10-14 15:41:53,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:53,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:41:53,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:41:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:41:53,179 INFO L87 Difference]: Start difference. First operand 815 states and 1222 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-14 15:41:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:41:58,067 INFO L93 Difference]: Finished difference Result 2688 states and 4060 transitions. [2024-10-14 15:41:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 15:41:58,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 265 [2024-10-14 15:41:58,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:41:58,079 INFO L225 Difference]: With dead ends: 2688 [2024-10-14 15:41:58,079 INFO L226 Difference]: Without dead ends: 1879 [2024-10-14 15:41:58,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2024-10-14 15:41:58,084 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 2924 mSDsluCounter, 2798 mSDsCounter, 0 mSdLazyCounter, 5974 mSolverCounterSat, 2154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 3397 SdHoareTripleChecker+Invalid, 8128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2154 IncrementalHoareTripleChecker+Valid, 5974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:41:58,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3067 Valid, 3397 Invalid, 8128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2154 Valid, 5974 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-14 15:41:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2024-10-14 15:41:58,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1624. [2024-10-14 15:41:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1077 states have (on average 1.3871866295264623) internal successors, (1494), 1093 states have internal predecessors, (1494), 469 states have call successors, (469), 78 states have call predecessors, (469), 77 states have return successors, (468), 464 states have call predecessors, (468), 468 states have call successors, (468) [2024-10-14 15:41:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2431 transitions. [2024-10-14 15:41:58,166 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2431 transitions. Word has length 265 [2024-10-14 15:41:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:41:58,167 INFO L471 AbstractCegarLoop]: Abstraction has 1624 states and 2431 transitions. [2024-10-14 15:41:58,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-14 15:41:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2431 transitions. [2024-10-14 15:41:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-10-14 15:41:58,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:58,177 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:41:58,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:41:58,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:58,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 147233095, now seen corresponding path program 1 times [2024-10-14 15:41:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:58,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125920574] [2024-10-14 15:41:58,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 15:41:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 15:41:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:41:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 15:41:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 15:41:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 15:41:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 15:41:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:41:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:41:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:41:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:41:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 15:41:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 15:41:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:41:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:41:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:41:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:41:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:41:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:41:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 15:41:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 15:41:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-14 15:41:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:41:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:41:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:41:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:41:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:41:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:41:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:41:58,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:58,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125920574] [2024-10-14 15:41:58,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125920574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:58,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:58,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:41:58,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719887825] [2024-10-14 15:41:58,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:58,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:41:58,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:58,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:41:58,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:41:58,769 INFO L87 Difference]: Start difference. First operand 1624 states and 2431 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:03,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:03,107 INFO L93 Difference]: Finished difference Result 5374 states and 8103 transitions. [2024-10-14 15:42:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 15:42:03,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 298 [2024-10-14 15:42:03,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:03,130 INFO L225 Difference]: With dead ends: 5374 [2024-10-14 15:42:03,130 INFO L226 Difference]: Without dead ends: 3756 [2024-10-14 15:42:03,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2024-10-14 15:42:03,168 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 3399 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 4485 mSolverCounterSat, 2733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3542 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 7218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2733 IncrementalHoareTripleChecker+Valid, 4485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:03,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3542 Valid, 2732 Invalid, 7218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2733 Valid, 4485 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-14 15:42:03,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2024-10-14 15:42:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3249. [2024-10-14 15:42:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 2157 states have (on average 1.3847936949466852) internal successors, (2987), 2189 states have internal predecessors, (2987), 935 states have call successors, (935), 157 states have call predecessors, (935), 156 states have return successors, (934), 926 states have call predecessors, (934), 934 states have call successors, (934) [2024-10-14 15:42:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 4856 transitions. [2024-10-14 15:42:03,319 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 4856 transitions. Word has length 298 [2024-10-14 15:42:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:03,319 INFO L471 AbstractCegarLoop]: Abstraction has 3249 states and 4856 transitions. [2024-10-14 15:42:03,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 4856 transitions. [2024-10-14 15:42:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-14 15:42:03,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:03,337 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:03,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:42:03,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:03,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1941037164, now seen corresponding path program 1 times [2024-10-14 15:42:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448906908] [2024-10-14 15:42:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 15:42:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 15:42:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:42:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:42:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 15:42:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 15:42:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:42:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 15:42:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-14 15:42:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 15:42:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-14 15:42:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:03,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448906908] [2024-10-14 15:42:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448906908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:03,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:03,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:42:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586716444] [2024-10-14 15:42:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:03,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:42:03,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:03,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:42:03,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:42:03,834 INFO L87 Difference]: Start difference. First operand 3249 states and 4856 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:07,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:07,908 INFO L93 Difference]: Finished difference Result 10751 states and 16181 transitions. [2024-10-14 15:42:07,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 15:42:07,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 295 [2024-10-14 15:42:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:07,952 INFO L225 Difference]: With dead ends: 10751 [2024-10-14 15:42:07,952 INFO L226 Difference]: Without dead ends: 7508 [2024-10-14 15:42:07,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2024-10-14 15:42:07,972 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 3566 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 4958 mSolverCounterSat, 2768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 2720 SdHoareTripleChecker+Invalid, 7726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2768 IncrementalHoareTripleChecker+Valid, 4958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:07,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2720 Invalid, 7726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2768 Valid, 4958 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-14 15:42:07,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7508 states. [2024-10-14 15:42:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7508 to 6457. [2024-10-14 15:42:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6457 states, 4281 states have (on average 1.3844896052324223) internal successors, (5927), 4357 states have internal predecessors, (5927), 1863 states have call successors, (1863), 313 states have call predecessors, (1863), 312 states have return successors, (1862), 1834 states have call predecessors, (1862), 1862 states have call successors, (1862) [2024-10-14 15:42:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6457 states to 6457 states and 9652 transitions. [2024-10-14 15:42:08,288 INFO L78 Accepts]: Start accepts. Automaton has 6457 states and 9652 transitions. Word has length 295 [2024-10-14 15:42:08,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:08,288 INFO L471 AbstractCegarLoop]: Abstraction has 6457 states and 9652 transitions. [2024-10-14 15:42:08,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:08,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6457 states and 9652 transitions. [2024-10-14 15:42:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-10-14 15:42:08,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:08,307 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:08,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:42:08,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:08,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash 683312713, now seen corresponding path program 1 times [2024-10-14 15:42:08,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:08,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883327835] [2024-10-14 15:42:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:42:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 15:42:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:42:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 15:42:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:42:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 15:42:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 15:42:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-14 15:42:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-14 15:42:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 15:42:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:08,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:08,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883327835] [2024-10-14 15:42:08,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883327835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:08,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:08,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:42:08,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381169676] [2024-10-14 15:42:08,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:08,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:42:08,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:08,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:42:08,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:42:08,828 INFO L87 Difference]: Start difference. First operand 6457 states and 9652 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:12,904 INFO L93 Difference]: Finished difference Result 21062 states and 31656 transitions. [2024-10-14 15:42:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 15:42:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 297 [2024-10-14 15:42:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:12,995 INFO L225 Difference]: With dead ends: 21062 [2024-10-14 15:42:12,996 INFO L226 Difference]: Without dead ends: 14611 [2024-10-14 15:42:13,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2024-10-14 15:42:13,034 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 3518 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 4135 mSolverCounterSat, 2787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3661 SdHoareTripleChecker+Valid, 2469 SdHoareTripleChecker+Invalid, 6922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2787 IncrementalHoareTripleChecker+Valid, 4135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:13,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3661 Valid, 2469 Invalid, 6922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2787 Valid, 4135 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-14 15:42:13,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14611 states. [2024-10-14 15:42:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14611 to 12690. [2024-10-14 15:42:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12690 states, 8418 states have (on average 1.3814445236398194) internal successors, (11629), 8561 states have internal predecessors, (11629), 3647 states have call successors, (3647), 625 states have call predecessors, (3647), 624 states have return successors, (3646), 3596 states have call predecessors, (3646), 3646 states have call successors, (3646) [2024-10-14 15:42:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12690 states to 12690 states and 18922 transitions. [2024-10-14 15:42:13,673 INFO L78 Accepts]: Start accepts. Automaton has 12690 states and 18922 transitions. Word has length 297 [2024-10-14 15:42:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:13,674 INFO L471 AbstractCegarLoop]: Abstraction has 12690 states and 18922 transitions. [2024-10-14 15:42:13,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-14 15:42:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 12690 states and 18922 transitions. [2024-10-14 15:42:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-10-14 15:42:13,693 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:13,693 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:13,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:42:13,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:13,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1948971587, now seen corresponding path program 1 times [2024-10-14 15:42:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979537051] [2024-10-14 15:42:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:13,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:42:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:42:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 15:42:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:42:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 15:42:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 15:42:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 15:42:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 15:42:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 15:42:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 15:42:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 15:42:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-10-14 15:42:14,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:14,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979537051] [2024-10-14 15:42:14,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979537051] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:14,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050423190] [2024-10-14 15:42:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:14,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:14,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:14,314 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) [2024-10-14 15:42:14,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:42:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:42:14,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1681 trivial. 0 not checked. [2024-10-14 15:42:14,768 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050423190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:14,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-14 15:42:14,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494205698] [2024-10-14 15:42:14,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:14,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:42:14,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:14,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:42:14,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:14,771 INFO L87 Difference]: Start difference. First operand 12690 states and 18922 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 15:42:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:15,269 INFO L93 Difference]: Finished difference Result 12708 states and 18954 transitions. [2024-10-14 15:42:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:42:15,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 307 [2024-10-14 15:42:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:15,319 INFO L225 Difference]: With dead ends: 12708 [2024-10-14 15:42:15,320 INFO L226 Difference]: Without dead ends: 12705 [2024-10-14 15:42:15,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:15,325 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 0 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:15,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2301 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 15:42:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12705 states. [2024-10-14 15:42:15,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12705 to 12705. [2024-10-14 15:42:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12705 states, 8433 states have (on average 1.3807660381833273) internal successors, (11644), 8576 states have internal predecessors, (11644), 3647 states have call successors, (3647), 625 states have call predecessors, (3647), 624 states have return successors, (3646), 3596 states have call predecessors, (3646), 3646 states have call successors, (3646) [2024-10-14 15:42:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12705 states to 12705 states and 18937 transitions. [2024-10-14 15:42:15,939 INFO L78 Accepts]: Start accepts. Automaton has 12705 states and 18937 transitions. Word has length 307 [2024-10-14 15:42:15,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:15,940 INFO L471 AbstractCegarLoop]: Abstraction has 12705 states and 18937 transitions. [2024-10-14 15:42:15,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 15:42:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 12705 states and 18937 transitions. [2024-10-14 15:42:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-10-14 15:42:15,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:15,963 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:15,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 15:42:16,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 15:42:16,168 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:16,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -137507896, now seen corresponding path program 1 times [2024-10-14 15:42:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102049710] [2024-10-14 15:42:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:16,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:42:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:42:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 15:42:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:42:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 15:42:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 15:42:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 15:42:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 15:42:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 15:42:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 15:42:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 15:42:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-10-14 15:42:16,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:16,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102049710] [2024-10-14 15:42:16,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102049710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:16,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055057131] [2024-10-14 15:42:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:16,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:16,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:16,780 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) [2024-10-14 15:42:16,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 15:42:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:17,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:42:17,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1681 trivial. 0 not checked. [2024-10-14 15:42:17,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:17,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055057131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:17,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:17,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-14 15:42:17,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679300267] [2024-10-14 15:42:17,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:17,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:42:17,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:42:17,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:17,200 INFO L87 Difference]: Start difference. First operand 12705 states and 18937 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 15:42:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:17,708 INFO L93 Difference]: Finished difference Result 25419 states and 37957 transitions. [2024-10-14 15:42:17,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:42:17,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 309 [2024-10-14 15:42:17,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:17,771 INFO L225 Difference]: With dead ends: 25419 [2024-10-14 15:42:17,772 INFO L226 Difference]: Without dead ends: 12720 [2024-10-14 15:42:17,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:17,822 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 0 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:17,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2302 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 15:42:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12720 states. [2024-10-14 15:42:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12720 to 12720. [2024-10-14 15:42:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12720 states, 8448 states have (on average 1.3800899621212122) internal successors, (11659), 8591 states have internal predecessors, (11659), 3647 states have call successors, (3647), 625 states have call predecessors, (3647), 624 states have return successors, (3646), 3596 states have call predecessors, (3646), 3646 states have call successors, (3646) [2024-10-14 15:42:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12720 states to 12720 states and 18952 transitions. [2024-10-14 15:42:18,402 INFO L78 Accepts]: Start accepts. Automaton has 12720 states and 18952 transitions. Word has length 309 [2024-10-14 15:42:18,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:18,405 INFO L471 AbstractCegarLoop]: Abstraction has 12720 states and 18952 transitions. [2024-10-14 15:42:18,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 15:42:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12720 states and 18952 transitions. [2024-10-14 15:42:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-10-14 15:42:18,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:18,423 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:18,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 15:42:18,623 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,SelfDestructingSolverStorable6 [2024-10-14 15:42:18,624 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:18,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:18,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1290770892, now seen corresponding path program 1 times [2024-10-14 15:42:18,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:18,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452711024] [2024-10-14 15:42:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:42:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:42:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 15:42:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:42:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 15:42:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 15:42:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 15:42:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 15:42:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 15:42:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 15:42:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 15:42:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-10-14 15:42:19,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:19,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452711024] [2024-10-14 15:42:19,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452711024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:19,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090211992] [2024-10-14 15:42:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:19,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:19,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:19,117 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) [2024-10-14 15:42:19,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 15:42:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:42:19,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2024-10-14 15:42:19,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:19,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090211992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:19,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:19,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-14 15:42:19,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134497509] [2024-10-14 15:42:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:19,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:42:19,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:42:19,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:19,541 INFO L87 Difference]: Start difference. First operand 12720 states and 18952 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-14 15:42:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:20,127 INFO L93 Difference]: Finished difference Result 25449 states and 37957 transitions. [2024-10-14 15:42:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:42:20,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 310 [2024-10-14 15:42:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:20,191 INFO L225 Difference]: With dead ends: 25449 [2024-10-14 15:42:20,191 INFO L226 Difference]: Without dead ends: 12735 [2024-10-14 15:42:20,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:20,239 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 0 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:20,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2301 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 15:42:20,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2024-10-14 15:42:20,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 12735. [2024-10-14 15:42:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12735 states, 8463 states have (on average 1.379416282642089) internal successors, (11674), 8606 states have internal predecessors, (11674), 3647 states have call successors, (3647), 625 states have call predecessors, (3647), 624 states have return successors, (3646), 3596 states have call predecessors, (3646), 3646 states have call successors, (3646) [2024-10-14 15:42:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12735 states to 12735 states and 18967 transitions. [2024-10-14 15:42:21,029 INFO L78 Accepts]: Start accepts. Automaton has 12735 states and 18967 transitions. Word has length 310 [2024-10-14 15:42:21,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:21,030 INFO L471 AbstractCegarLoop]: Abstraction has 12735 states and 18967 transitions. [2024-10-14 15:42:21,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-14 15:42:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12735 states and 18967 transitions. [2024-10-14 15:42:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-10-14 15:42:21,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:21,048 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:21,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 15:42:21,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:21,253 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:21,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:21,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1225362353, now seen corresponding path program 1 times [2024-10-14 15:42:21,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:21,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939060295] [2024-10-14 15:42:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:21,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:42:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:42:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 15:42:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:42:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 15:42:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 15:42:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 15:42:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 15:42:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-14 15:42:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-14 15:42:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 15:42:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-10-14 15:42:21,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:21,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939060295] [2024-10-14 15:42:21,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939060295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:21,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671822558] [2024-10-14 15:42:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:21,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:21,886 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) [2024-10-14 15:42:21,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 15:42:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:22,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:42:22,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 690 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-10-14 15:42:22,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:22,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671822558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:22,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:22,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-14 15:42:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073950054] [2024-10-14 15:42:22,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:22,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:42:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:22,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:42:22,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:22,324 INFO L87 Difference]: Start difference. First operand 12735 states and 18967 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:22,849 INFO L93 Difference]: Finished difference Result 25479 states and 37987 transitions. [2024-10-14 15:42:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:42:22,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 311 [2024-10-14 15:42:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:22,915 INFO L225 Difference]: With dead ends: 25479 [2024-10-14 15:42:22,915 INFO L226 Difference]: Without dead ends: 12750 [2024-10-14 15:42:22,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:42:22,967 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 0 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:22,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2301 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:42:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12750 states. [2024-10-14 15:42:23,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12750 to 12750. [2024-10-14 15:42:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12750 states, 8478 states have (on average 1.3787449870252417) internal successors, (11689), 8621 states have internal predecessors, (11689), 3647 states have call successors, (3647), 625 states have call predecessors, (3647), 624 states have return successors, (3646), 3596 states have call predecessors, (3646), 3646 states have call successors, (3646) [2024-10-14 15:42:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12750 states to 12750 states and 18982 transitions. [2024-10-14 15:42:23,443 INFO L78 Accepts]: Start accepts. Automaton has 12750 states and 18982 transitions. Word has length 311 [2024-10-14 15:42:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:23,444 INFO L471 AbstractCegarLoop]: Abstraction has 12750 states and 18982 transitions. [2024-10-14 15:42:23,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12750 states and 18982 transitions. [2024-10-14 15:42:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-10-14 15:42:23,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:23,456 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:23,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 15:42:23,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:23,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:23,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1044627385, now seen corresponding path program 1 times [2024-10-14 15:42:23,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:23,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844676192] [2024-10-14 15:42:23,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:23,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:42:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:42:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:42:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 15:42:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:42:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 15:42:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 15:42:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 15:42:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 15:42:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 15:42:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 15:42:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-14 15:42:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-10-14 15:42:24,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:24,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844676192] [2024-10-14 15:42:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844676192] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:24,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726008272] [2024-10-14 15:42:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:24,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:24,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:24,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:42:24,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 15:42:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:42:24,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:24,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:24,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726008272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:24,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:24,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-10-14 15:42:24,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939293991] [2024-10-14 15:42:24,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:24,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:24,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:24,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:24,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-10-14 15:42:24,818 INFO L87 Difference]: Start difference. First operand 12750 states and 18982 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:25,657 INFO L93 Difference]: Finished difference Result 31936 states and 47504 transitions. [2024-10-14 15:42:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:42:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 312 [2024-10-14 15:42:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:25,751 INFO L225 Difference]: With dead ends: 31936 [2024-10-14 15:42:25,751 INFO L226 Difference]: Without dead ends: 19192 [2024-10-14 15:42:25,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-10-14 15:42:25,917 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 1235 mSDsluCounter, 5749 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 6901 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:25,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 6901 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:42:25,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19192 states. [2024-10-14 15:42:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19192 to 19043. [2024-10-14 15:42:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19043 states, 12675 states have (on average 1.3794082840236686) internal successors, (17484), 12897 states have internal predecessors, (17484), 5427 states have call successors, (5427), 933 states have call predecessors, (5427), 940 states have return successors, (5446), 5350 states have call predecessors, (5446), 5426 states have call successors, (5446) [2024-10-14 15:42:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19043 states to 19043 states and 28357 transitions. [2024-10-14 15:42:26,616 INFO L78 Accepts]: Start accepts. Automaton has 19043 states and 28357 transitions. Word has length 312 [2024-10-14 15:42:26,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:26,616 INFO L471 AbstractCegarLoop]: Abstraction has 19043 states and 28357 transitions. [2024-10-14 15:42:26,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 19043 states and 28357 transitions. [2024-10-14 15:42:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-14 15:42:26,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:26,638 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:26,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 15:42:26,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 15:42:26,843 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:26,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1882748484, now seen corresponding path program 1 times [2024-10-14 15:42:26,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:26,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245459408] [2024-10-14 15:42:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 15:42:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:42:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 15:42:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 15:42:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 15:42:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 15:42:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 15:42:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 15:42:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 15:42:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 15:42:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-14 15:42:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 15:42:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:27,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245459408] [2024-10-14 15:42:27,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245459408] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477805501] [2024-10-14 15:42:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:27,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:27,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:27,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:42:27,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 15:42:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:27,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:42:27,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:28,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:28,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477805501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:28,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:28,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-14 15:42:28,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213864334] [2024-10-14 15:42:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:28,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:28,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:28,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-10-14 15:42:28,072 INFO L87 Difference]: Start difference. First operand 19043 states and 28357 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:29,672 INFO L93 Difference]: Finished difference Result 44575 states and 66300 transitions. [2024-10-14 15:42:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:42:29,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 313 [2024-10-14 15:42:29,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:29,825 INFO L225 Difference]: With dead ends: 44575 [2024-10-14 15:42:29,826 INFO L226 Difference]: Without dead ends: 25538 [2024-10-14 15:42:29,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:42:29,927 INFO L432 NwaCegarLoop]: 1573 mSDtfsCounter, 1235 mSDsluCounter, 7421 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:29,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 8994 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:42:29,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25538 states. [2024-10-14 15:42:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25538 to 25368. [2024-10-14 15:42:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25368 states, 16892 states have (on average 1.3792919725313757) internal successors, (23299), 17209 states have internal predecessors, (23299), 7207 states have call successors, (7207), 1241 states have call predecessors, (7207), 1268 states have return successors, (7258), 7100 states have call predecessors, (7258), 7206 states have call successors, (7258) [2024-10-14 15:42:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25368 states to 25368 states and 37764 transitions. [2024-10-14 15:42:31,082 INFO L78 Accepts]: Start accepts. Automaton has 25368 states and 37764 transitions. Word has length 313 [2024-10-14 15:42:31,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:31,082 INFO L471 AbstractCegarLoop]: Abstraction has 25368 states and 37764 transitions. [2024-10-14 15:42:31,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 25368 states and 37764 transitions. [2024-10-14 15:42:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-14 15:42:31,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:31,112 INFO L215 NwaCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:31,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 15:42:31,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:31,313 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:31,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:31,314 INFO L85 PathProgramCache]: Analyzing trace with hash 901468667, now seen corresponding path program 1 times [2024-10-14 15:42:31,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:31,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937958230] [2024-10-14 15:42:31,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 15:42:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:42:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 15:42:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 15:42:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 15:42:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 15:42:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 15:42:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 15:42:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-14 15:42:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 15:42:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 15:42:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-10-14 15:42:31,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:31,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937958230] [2024-10-14 15:42:31,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937958230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:31,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892353739] [2024-10-14 15:42:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:31,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:42:31,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 15:42:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:32,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:42:32,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-10-14 15:42:32,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:32,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892353739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:32,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-14 15:42:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892605260] [2024-10-14 15:42:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:32,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:32,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-10-14 15:42:32,349 INFO L87 Difference]: Start difference. First operand 25368 states and 37764 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 15:42:33,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:33,670 INFO L93 Difference]: Finished difference Result 57214 states and 85096 transitions. [2024-10-14 15:42:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:42:33,670 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 282 [2024-10-14 15:42:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:33,871 INFO L225 Difference]: With dead ends: 57214 [2024-10-14 15:42:33,872 INFO L226 Difference]: Without dead ends: 31852 [2024-10-14 15:42:34,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:42:34,141 INFO L432 NwaCegarLoop]: 1573 mSDtfsCounter, 1235 mSDsluCounter, 7421 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:34,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 8994 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:42:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31852 states. [2024-10-14 15:42:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31852 to 25390. [2024-10-14 15:42:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25390 states, 16908 states have (on average 1.3789330494440502) internal successors, (23315), 17227 states have internal predecessors, (23315), 7207 states have call successors, (7207), 1241 states have call predecessors, (7207), 1274 states have return successors, (7267), 7104 states have call predecessors, (7267), 7206 states have call successors, (7267) [2024-10-14 15:42:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25390 states to 25390 states and 37789 transitions. [2024-10-14 15:42:35,595 INFO L78 Accepts]: Start accepts. Automaton has 25390 states and 37789 transitions. Word has length 282 [2024-10-14 15:42:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:35,596 INFO L471 AbstractCegarLoop]: Abstraction has 25390 states and 37789 transitions. [2024-10-14 15:42:35,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 15:42:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 25390 states and 37789 transitions. [2024-10-14 15:42:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-10-14 15:42:35,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:35,634 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:35,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 15:42:35,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:35,835 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:35,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:35,836 INFO L85 PathProgramCache]: Analyzing trace with hash -731824099, now seen corresponding path program 1 times [2024-10-14 15:42:35,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:35,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697677082] [2024-10-14 15:42:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:35,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 15:42:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 15:42:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 15:42:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:42:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 15:42:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 15:42:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 15:42:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 15:42:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 15:42:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 15:42:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-14 15:42:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 15:42:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 15:42:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697677082] [2024-10-14 15:42:36,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697677082] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260292250] [2024-10-14 15:42:36,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:36,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:36,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:36,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:42:36,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 15:42:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:37,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 1828 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:42:37,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-10-14 15:42:37,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:37,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260292250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:37,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:37,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-14 15:42:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461308802] [2024-10-14 15:42:37,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:37,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:37,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:37,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-10-14 15:42:37,070 INFO L87 Difference]: Start difference. First operand 25390 states and 37789 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:38,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:38,429 INFO L93 Difference]: Finished difference Result 57244 states and 85129 transitions. [2024-10-14 15:42:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:42:38,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 315 [2024-10-14 15:42:38,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:38,697 INFO L225 Difference]: With dead ends: 57244 [2024-10-14 15:42:38,697 INFO L226 Difference]: Without dead ends: 31860 [2024-10-14 15:42:38,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:42:38,763 INFO L432 NwaCegarLoop]: 1573 mSDtfsCounter, 1235 mSDsluCounter, 7421 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:38,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 8994 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:42:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31860 states. [2024-10-14 15:42:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31860 to 25403. [2024-10-14 15:42:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25403 states, 16918 states have (on average 1.3787090672656341) internal successors, (23325), 17236 states have internal predecessors, (23325), 7207 states have call successors, (7207), 1241 states have call predecessors, (7207), 1277 states have return successors, (7270), 7108 states have call predecessors, (7270), 7206 states have call successors, (7270) [2024-10-14 15:42:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25403 states to 25403 states and 37802 transitions. [2024-10-14 15:42:40,240 INFO L78 Accepts]: Start accepts. Automaton has 25403 states and 37802 transitions. Word has length 315 [2024-10-14 15:42:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:40,241 INFO L471 AbstractCegarLoop]: Abstraction has 25403 states and 37802 transitions. [2024-10-14 15:42:40,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 25403 states and 37802 transitions. [2024-10-14 15:42:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-10-14 15:42:40,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:40,281 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:40,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 15:42:40,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 15:42:40,483 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:40,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash 248434404, now seen corresponding path program 1 times [2024-10-14 15:42:40,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:40,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226067326] [2024-10-14 15:42:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:42:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 15:42:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 15:42:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 15:42:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 15:42:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 15:42:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 15:42:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 15:42:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 15:42:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 15:42:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:42:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:42:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 15:42:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 15:42:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:42:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 15:42:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-14 15:42:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 15:42:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1678 trivial. 0 not checked. [2024-10-14 15:42:40,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226067326] [2024-10-14 15:42:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226067326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:40,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:40,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 15:42:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105751093] [2024-10-14 15:42:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:40,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:40,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:42:40,874 INFO L87 Difference]: Start difference. First operand 25403 states and 37802 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:45,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:45,088 INFO L93 Difference]: Finished difference Result 76578 states and 114781 transitions. [2024-10-14 15:42:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 15:42:45,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 324 [2024-10-14 15:42:45,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:45,306 INFO L225 Difference]: With dead ends: 76578 [2024-10-14 15:42:45,307 INFO L226 Difference]: Without dead ends: 51181 [2024-10-14 15:42:45,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-10-14 15:42:45,379 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 3772 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 3228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 5405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3228 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:45,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3867 Valid, 1371 Invalid, 5405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3228 Valid, 2177 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-14 15:42:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51181 states. [2024-10-14 15:42:47,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51181 to 43692. [2024-10-14 15:42:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43692 states, 29150 states have (on average 1.3726586620926244) internal successors, (40013), 29786 states have internal predecessors, (40013), 12317 states have call successors, (12317), 2087 states have call predecessors, (12317), 2224 states have return successors, (12700), 12088 states have call predecessors, (12700), 12316 states have call successors, (12700) [2024-10-14 15:42:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43692 states to 43692 states and 65030 transitions. [2024-10-14 15:42:47,698 INFO L78 Accepts]: Start accepts. Automaton has 43692 states and 65030 transitions. Word has length 324 [2024-10-14 15:42:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:47,698 INFO L471 AbstractCegarLoop]: Abstraction has 43692 states and 65030 transitions. [2024-10-14 15:42:47,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 15:42:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 43692 states and 65030 transitions. [2024-10-14 15:42:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-14 15:42:47,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:47,702 INFO L215 NwaCegarLoop]: trace histogram [33, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:47,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 15:42:47,702 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:47,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:47,702 INFO L85 PathProgramCache]: Analyzing trace with hash -287891976, now seen corresponding path program 1 times [2024-10-14 15:42:47,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:47,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098296616] [2024-10-14 15:42:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 15:42:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 15:42:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:42:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 15:42:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:42:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:42:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:42:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 15:42:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 15:42:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:42:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:42:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:42:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:42:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 15:42:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 15:42:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 15:42:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 15:42:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 15:42:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 15:42:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:42:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:42:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:42:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:42:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-10-14 15:42:48,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:48,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098296616] [2024-10-14 15:42:48,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098296616] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:48,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789745526] [2024-10-14 15:42:48,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:48,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:48,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:48,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:42:48,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 15:42:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:48,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 15:42:48,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-10-14 15:42:48,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:42:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2024-10-14 15:42:49,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789745526] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:42:49,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:42:49,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2024-10-14 15:42:49,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376250847] [2024-10-14 15:42:49,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:42:49,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 15:42:49,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 15:42:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:42:49,087 INFO L87 Difference]: Start difference. First operand 43692 states and 65030 transitions. Second operand has 24 states, 24 states have (on average 7.375) internal successors, (177), 15 states have internal predecessors, (177), 5 states have call successors, (80), 9 states have call predecessors, (80), 7 states have return successors, (71), 6 states have call predecessors, (71), 5 states have call successors, (71)