./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 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 ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.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 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-23 00:04:14,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 00:04:14,241 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 00:04:14,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 00:04:14,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 00:04:14,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 00:04:14,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 00:04:14,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 00:04:14,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 00:04:14,283 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 00:04:14,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 00:04:14,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 00:04:14,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 00:04:14,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 00:04:14,286 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 00:04:14,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 00:04:14,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 00:04:14,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 00:04:14,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 00:04:14,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 00:04:14,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 00:04:14,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 00:04:14,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 00:04:14,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 00:04:14,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 00:04:14,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 00:04:14,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 00:04:14,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 00:04:14,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 00:04:14,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 00:04:14,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 00:04:14,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 00:04:14,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 00:04:14,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 00:04:14,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 00:04:14,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 00:04:14,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 00:04:14,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 00:04:14,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 00:04:14,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 00:04:14,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-23 00:04:15,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 00:04:16,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 00:04:16,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-23 00:04:16,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/368ec9899/8d84a3a089b549c3ab556e7afc3eb8c6/FLAG50119ef71 [2023-11-23 00:04:16,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/368ec9899/8d84a3a089b549c3ab556e7afc3eb8c6 [2023-11-23 00:04:16,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 00:04:16,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 00:04:16,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 00:04:16,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 00:04:16,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 00:04:16,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:04:16" (1/1) ... [2023-11-23 00:04:16,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26771c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:16, skipping insertion in model container [2023-11-23 00:04:16,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:04:16" (1/1) ... [2023-11-23 00:04:16,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 00:04:18,369 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2023-11-23 00:04:18,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2023-11-23 00:04:18,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 00:04:18,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 00:04:18,559 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"); [5436] [2023-11-23 00:04:18,561 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)); [5443] [2023-11-23 00:04:18,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5450] [2023-11-23 00:04:18,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5509] [2023-11-23 00:04:18,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5512] [2023-11-23 00:04:18,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5515] [2023-11-23 00:04:18,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5518] [2023-11-23 00:04:18,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2023-11-23 00:04:18,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2023-11-23 00:04:18,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 00:04:18,938 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:04:18,938 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:04:18,945 INFO L206 MainTranslator]: Completed translation [2023-11-23 00:04:18,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18 WrapperNode [2023-11-23 00:04:18,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 00:04:18,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 00:04:18,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 00:04:18,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 00:04:18,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,183 INFO L138 Inliner]: procedures = 391, calls = 2682, calls flagged for inlining = 191, calls inlined = 156, statements flattened = 4519 [2023-11-23 00:04:19,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 00:04:19,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 00:04:19,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 00:04:19,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 00:04:19,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 00:04:19,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 00:04:19,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 00:04:19,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 00:04:19,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (1/1) ... [2023-11-23 00:04:19,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 00:04:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 00:04:19,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 00:04:19,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 00:04:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2023-11-23 00:04:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2023-11-23 00:04:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 00:04:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 00:04:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 00:04:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 00:04:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 00:04:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 00:04:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2023-11-23 00:04:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2023-11-23 00:04:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2023-11-23 00:04:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2023-11-23 00:04:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 00:04:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 00:04:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 00:04:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-23 00:04:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-23 00:04:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2023-11-23 00:04:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2023-11-23 00:04:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 00:04:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 00:04:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 00:04:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 00:04:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 00:04:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 00:04:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 00:04:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 00:04:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 00:04:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 00:04:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-23 00:04:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-23 00:04:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2023-11-23 00:04:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2023-11-23 00:04:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 00:04:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 00:04:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 00:04:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 00:04:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 00:04:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-23 00:04:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-23 00:04:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 00:04:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 00:04:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 00:04:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 00:04:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 00:04:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 00:04:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 00:04:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 00:04:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 00:04:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 00:04:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 00:04:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2023-11-23 00:04:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2023-11-23 00:04:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2023-11-23 00:04:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2023-11-23 00:04:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 00:04:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 00:04:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 00:04:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 00:04:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 00:04:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 00:04:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 00:04:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 00:04:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 00:04:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 00:04:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 00:04:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 00:04:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 00:04:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 00:04:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 00:04:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 00:04:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 00:04:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 00:04:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 00:04:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 00:04:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 00:04:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 00:04:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-23 00:04:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-23 00:04:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 00:04:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 00:04:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 00:04:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 00:04:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2023-11-23 00:04:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2023-11-23 00:04:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 00:04:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 00:04:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-23 00:04:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-23 00:04:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-23 00:04:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-23 00:04:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 00:04:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 00:04:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 00:04:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 00:04:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-23 00:04:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-23 00:04:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2023-11-23 00:04:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2023-11-23 00:04:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 00:04:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 00:04:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 00:04:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 00:04:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 00:04:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 00:04:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 00:04:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 00:04:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 00:04:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 00:04:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 00:04:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 00:04:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 00:04:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 00:04:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 00:04:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 00:04:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 00:04:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 00:04:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 00:04:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 00:04:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 00:04:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 00:04:19,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 00:04:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 00:04:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 00:04:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2023-11-23 00:04:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2023-11-23 00:04:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 00:04:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 00:04:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 00:04:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 00:04:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 00:04:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2023-11-23 00:04:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2023-11-23 00:04:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2023-11-23 00:04:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2023-11-23 00:04:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 00:04:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 00:04:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-23 00:04:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-23 00:04:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 00:04:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2023-11-23 00:04:19,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2023-11-23 00:04:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2023-11-23 00:04:19,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2023-11-23 00:04:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2023-11-23 00:04:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2023-11-23 00:04:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 00:04:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 00:04:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 00:04:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 00:04:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 00:04:20,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 00:04:20,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 00:04:20,427 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 00:04:24,061 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 00:04:24,133 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 00:04:24,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 00:04:24,409 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 00:04:24,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:04:24 BoogieIcfgContainer [2023-11-23 00:04:24,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 00:04:24,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 00:04:24,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 00:04:24,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 00:04:24,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:04:16" (1/3) ... [2023-11-23 00:04:24,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75091462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:04:24, skipping insertion in model container [2023-11-23 00:04:24,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:04:18" (2/3) ... [2023-11-23 00:04:24,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75091462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:04:24, skipping insertion in model container [2023-11-23 00:04:24,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:04:24" (3/3) ... [2023-11-23 00:04:24,418 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-23 00:04:24,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 00:04:24,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 00:04:24,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 00:04:24,497 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4585e71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 00:04:24,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 00:04:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 1042 states, 642 states have (on average 1.3348909657320873) internal successors, (857), 647 states have internal predecessors, (857), 334 states have call successors, (334), 66 states have call predecessors, (334), 65 states have return successors, (328), 327 states have call predecessors, (328), 328 states have call successors, (328) [2023-11-23 00:04:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-23 00:04:24,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:04:24,528 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:04:24,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:04:24,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:04:24,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2123675636, now seen corresponding path program 1 times [2023-11-23 00:04:24,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:04:24,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255557556] [2023-11-23 00:04:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:04:24,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:04:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:04:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:04:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:04:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:04:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:04:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:04:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:04:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:04:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 00:04:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:04:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 00:04:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 00:04:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 00:04:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 00:04:25,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:04:25,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255557556] [2023-11-23 00:04:25,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255557556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:04:25,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:04:25,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 00:04:25,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38940580] [2023-11-23 00:04:25,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:04:25,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 00:04:25,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:04:25,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 00:04:25,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 00:04:25,812 INFO L87 Difference]: Start difference. First operand has 1042 states, 642 states have (on average 1.3348909657320873) internal successors, (857), 647 states have internal predecessors, (857), 334 states have call successors, (334), 66 states have call predecessors, (334), 65 states have return successors, (328), 327 states have call predecessors, (328), 328 states have call successors, (328) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-23 00:04:33,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:04:33,796 INFO L93 Difference]: Finished difference Result 2494 states and 3715 transitions. [2023-11-23 00:04:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 00:04:33,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2023-11-23 00:04:33,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:04:33,821 INFO L225 Difference]: With dead ends: 2494 [2023-11-23 00:04:33,822 INFO L226 Difference]: Without dead ends: 1407 [2023-11-23 00:04:33,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 00:04:33,834 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 1016 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 1093 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1093 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-23 00:04:33,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2721 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1093 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-23 00:04:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2023-11-23 00:04:34,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1387. [2023-11-23 00:04:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 892 states have (on average 1.3318385650224216) internal successors, (1188), 900 states have internal predecessors, (1188), 395 states have call successors, (395), 99 states have call predecessors, (395), 99 states have return successors, (395), 392 states have call predecessors, (395), 395 states have call successors, (395) [2023-11-23 00:04:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1978 transitions. [2023-11-23 00:04:34,024 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1978 transitions. Word has length 141 [2023-11-23 00:04:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:04:34,025 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 1978 transitions. [2023-11-23 00:04:34,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-23 00:04:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1978 transitions. [2023-11-23 00:04:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 00:04:34,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:04:34,039 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2023-11-23 00:04:34,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 00:04:34,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:04:34,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:04:34,043 INFO L85 PathProgramCache]: Analyzing trace with hash -620957230, now seen corresponding path program 1 times [2023-11-23 00:04:34,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:04:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429156314] [2023-11-23 00:04:34,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:04:34,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:04:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:04:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:04:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:04:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:04:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:04:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:04:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:04:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:04:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 00:04:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 00:04:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:04:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:04:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 00:04:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 00:04:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:04:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:04:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 00:04:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 00:04:34,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:04:34,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429156314] [2023-11-23 00:04:34,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429156314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:04:34,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:04:34,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:04:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301315645] [2023-11-23 00:04:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:04:34,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:04:34,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:04:34,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:04:34,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:04:34,575 INFO L87 Difference]: Start difference. First operand 1387 states and 1978 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-23 00:04:41,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:04:41,981 INFO L93 Difference]: Finished difference Result 3719 states and 5337 transitions. [2023-11-23 00:04:41,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 00:04:41,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 152 [2023-11-23 00:04:41,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:04:42,000 INFO L225 Difference]: With dead ends: 3719 [2023-11-23 00:04:42,000 INFO L226 Difference]: Without dead ends: 2349 [2023-11-23 00:04:42,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-23 00:04:42,009 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 2322 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 2122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2122 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-23 00:04:42,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 1897 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2122 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-23 00:04:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2023-11-23 00:04:42,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2321. [2023-11-23 00:04:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 1491 states have (on average 1.3165660630449363) internal successors, (1963), 1504 states have internal predecessors, (1963), 670 states have call successors, (670), 159 states have call predecessors, (670), 159 states have return successors, (673), 662 states have call predecessors, (673), 670 states have call successors, (673) [2023-11-23 00:04:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3306 transitions. [2023-11-23 00:04:42,189 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3306 transitions. Word has length 152 [2023-11-23 00:04:42,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:04:42,189 INFO L495 AbstractCegarLoop]: Abstraction has 2321 states and 3306 transitions. [2023-11-23 00:04:42,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-23 00:04:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3306 transitions. [2023-11-23 00:04:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 00:04:42,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:04:42,193 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 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] [2023-11-23 00:04:42,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 00:04:42,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:04:42,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:04:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash 4837354, now seen corresponding path program 1 times [2023-11-23 00:04:42,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:04:42,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810403669] [2023-11-23 00:04:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:04:42,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:04:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:04:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:04:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:04:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:04:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:04:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:04:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:04:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:04:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:04:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 00:04:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 00:04:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-23 00:04:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 00:04:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 00:04:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 00:04:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 00:04:42,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:04:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810403669] [2023-11-23 00:04:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810403669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:04:42,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:04:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 00:04:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161432787] [2023-11-23 00:04:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:04:42,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 00:04:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:04:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 00:04:42,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 00:04:42,806 INFO L87 Difference]: Start difference. First operand 2321 states and 3306 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-23 00:04:54,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:04:56,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:04:56,339 INFO L93 Difference]: Finished difference Result 6977 states and 9994 transitions. [2023-11-23 00:04:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 00:04:56,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 159 [2023-11-23 00:04:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:04:56,366 INFO L225 Difference]: With dead ends: 6977 [2023-11-23 00:04:56,366 INFO L226 Difference]: Without dead ends: 4673 [2023-11-23 00:04:56,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 00:04:56,378 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1553 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 3004 mSolverCounterSat, 896 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 3004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-23 00:04:56,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1806 Valid, 4131 Invalid, 3901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 3004 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2023-11-23 00:04:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2023-11-23 00:04:56,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 4607. [2023-11-23 00:04:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4607 states, 2964 states have (on average 1.3144399460188934) internal successors, (3896), 2990 states have internal predecessors, (3896), 1324 states have call successors, (1324), 318 states have call predecessors, (1324), 318 states have return successors, (1330), 1308 states have call predecessors, (1330), 1324 states have call successors, (1330) [2023-11-23 00:04:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6550 transitions. [2023-11-23 00:04:56,594 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6550 transitions. Word has length 159 [2023-11-23 00:04:56,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:04:56,594 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6550 transitions. [2023-11-23 00:04:56,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-23 00:04:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6550 transitions. [2023-11-23 00:04:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-23 00:04:56,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:04:56,599 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 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] [2023-11-23 00:04:56,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 00:04:56,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:04:56,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:04:56,600 INFO L85 PathProgramCache]: Analyzing trace with hash -131599034, now seen corresponding path program 1 times [2023-11-23 00:04:56,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:04:56,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494618977] [2023-11-23 00:04:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:04:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:04:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:04:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:04:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:04:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:04:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:04:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:04:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:04:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:04:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:04:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:04:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:04:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:04:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:04:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:04:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:04:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:04:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:04:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:04:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 00:04:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 00:04:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:04:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 00:04:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:04:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:04:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-23 00:04:57,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:04:57,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494618977] [2023-11-23 00:04:57,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494618977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:04:57,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:04:57,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 00:04:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570866344] [2023-11-23 00:04:57,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:04:57,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 00:04:57,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:04:57,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 00:04:57,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 00:04:57,164 INFO L87 Difference]: Start difference. First operand 4607 states and 6550 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 00:05:02,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:02,913 INFO L93 Difference]: Finished difference Result 10905 states and 15472 transitions. [2023-11-23 00:05:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 00:05:02,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 207 [2023-11-23 00:05:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:02,943 INFO L225 Difference]: With dead ends: 10905 [2023-11-23 00:05:02,943 INFO L226 Difference]: Without dead ends: 6315 [2023-11-23 00:05:02,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 00:05:02,959 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 1386 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:02,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 3004 Invalid, 3149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-23 00:05:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2023-11-23 00:05:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 6241. [2023-11-23 00:05:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3195470211718365) internal successors, (5360), 4098 states have internal predecessors, (5360), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-23 00:05:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8742 transitions. [2023-11-23 00:05:03,251 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8742 transitions. Word has length 207 [2023-11-23 00:05:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:03,252 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8742 transitions. [2023-11-23 00:05:03,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 00:05:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8742 transitions. [2023-11-23 00:05:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-23 00:05:03,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:03,260 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:03,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 00:05:03,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:03,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1106364342, now seen corresponding path program 1 times [2023-11-23 00:05:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:03,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641456964] [2023-11-23 00:05:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:03,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:04,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:04,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641456964] [2023-11-23 00:05:04,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641456964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:04,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:04,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 00:05:04,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850300067] [2023-11-23 00:05:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:04,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 00:05:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 00:05:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 00:05:04,309 INFO L87 Difference]: Start difference. First operand 6241 states and 8742 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:07,906 INFO L93 Difference]: Finished difference Result 12493 states and 17743 transitions. [2023-11-23 00:05:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:07,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 300 [2023-11-23 00:05:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:07,937 INFO L225 Difference]: With dead ends: 12493 [2023-11-23 00:05:07,938 INFO L226 Difference]: Without dead ends: 6269 [2023-11-23 00:05:07,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:07,959 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1256 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 2076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:07,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 2114 Invalid, 2076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 1658 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 00:05:07,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-23 00:05:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-23 00:05:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3170851797144263) internal successors, (5350), 4098 states have internal predecessors, (5350), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-23 00:05:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8732 transitions. [2023-11-23 00:05:08,262 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8732 transitions. Word has length 300 [2023-11-23 00:05:08,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:08,264 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8732 transitions. [2023-11-23 00:05:08,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8732 transitions. [2023-11-23 00:05:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-23 00:05:08,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:08,270 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:08,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 00:05:08,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:08,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1951900998, now seen corresponding path program 1 times [2023-11-23 00:05:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:08,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132239371] [2023-11-23 00:05:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:09,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:09,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132239371] [2023-11-23 00:05:09,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132239371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:09,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:09,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:09,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852019628] [2023-11-23 00:05:09,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:09,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:09,293 INFO L87 Difference]: Start difference. First operand 6241 states and 8732 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:12,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:05:13,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:13,676 INFO L93 Difference]: Finished difference Result 12493 states and 17723 transitions. [2023-11-23 00:05:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:13,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 301 [2023-11-23 00:05:13,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:13,705 INFO L225 Difference]: With dead ends: 12493 [2023-11-23 00:05:13,705 INFO L226 Difference]: Without dead ends: 6269 [2023-11-23 00:05:13,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:13,726 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1766 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:13,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2114 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 00:05:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-23 00:05:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-23 00:05:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3146233382570163) internal successors, (5340), 4098 states have internal predecessors, (5340), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-23 00:05:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8722 transitions. [2023-11-23 00:05:14,118 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8722 transitions. Word has length 301 [2023-11-23 00:05:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:14,119 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8722 transitions. [2023-11-23 00:05:14,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8722 transitions. [2023-11-23 00:05:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-11-23 00:05:14,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:14,127 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:14,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 00:05:14,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:14,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:14,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1786717134, now seen corresponding path program 1 times [2023-11-23 00:05:14,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:14,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454508450] [2023-11-23 00:05:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:15,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:15,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454508450] [2023-11-23 00:05:15,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454508450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:15,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:15,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648854524] [2023-11-23 00:05:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:15,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:15,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:15,124 INFO L87 Difference]: Start difference. First operand 6241 states and 8722 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:19,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:05:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:20,359 INFO L93 Difference]: Finished difference Result 12493 states and 17703 transitions. [2023-11-23 00:05:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:20,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 302 [2023-11-23 00:05:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:20,384 INFO L225 Difference]: With dead ends: 12493 [2023-11-23 00:05:20,384 INFO L226 Difference]: Without dead ends: 6269 [2023-11-23 00:05:20,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:20,401 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1762 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 1563 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:20,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2114 Invalid, 3217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1653 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-23 00:05:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-23 00:05:20,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-23 00:05:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.312161496799606) internal successors, (5330), 4098 states have internal predecessors, (5330), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-23 00:05:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8712 transitions. [2023-11-23 00:05:20,745 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8712 transitions. Word has length 302 [2023-11-23 00:05:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:20,746 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8712 transitions. [2023-11-23 00:05:20,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8712 transitions. [2023-11-23 00:05:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-11-23 00:05:20,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:20,750 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:20,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 00:05:20,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:20,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:20,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1605245630, now seen corresponding path program 1 times [2023-11-23 00:05:20,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:20,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698168081] [2023-11-23 00:05:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:21,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:21,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698168081] [2023-11-23 00:05:21,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698168081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:21,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:21,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690078200] [2023-11-23 00:05:21,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:21,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:21,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:21,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:21,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:21,772 INFO L87 Difference]: Start difference. First operand 6241 states and 8712 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:28,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:05:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:30,556 INFO L93 Difference]: Finished difference Result 23533 states and 33333 transitions. [2023-11-23 00:05:30,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 00:05:30,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 303 [2023-11-23 00:05:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:30,621 INFO L225 Difference]: With dead ends: 23533 [2023-11-23 00:05:30,622 INFO L226 Difference]: Without dead ends: 17309 [2023-11-23 00:05:30,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:05:30,647 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 4213 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 2117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4619 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 5994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2117 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:30,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4619 Valid, 4397 Invalid, 5994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2117 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-23 00:05:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17309 states. [2023-11-23 00:05:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17309 to 17229. [2023-11-23 00:05:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3114899662582136) internal successors, (14770), 11394 states have internal predecessors, (14770), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:05:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24280 transitions. [2023-11-23 00:05:31,850 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24280 transitions. Word has length 303 [2023-11-23 00:05:31,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:31,851 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24280 transitions. [2023-11-23 00:05:31,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24280 transitions. [2023-11-23 00:05:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 00:05:31,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:31,857 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:31,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 00:05:31,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:31,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash -160079698, now seen corresponding path program 1 times [2023-11-23 00:05:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:31,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593321528] [2023-11-23 00:05:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:32,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:32,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593321528] [2023-11-23 00:05:32,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593321528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:32,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:32,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:32,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866600953] [2023-11-23 00:05:32,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:32,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:32,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:32,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:32,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:32,881 INFO L87 Difference]: Start difference. First operand 17229 states and 24280 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:37,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:05:38,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:38,613 INFO L93 Difference]: Finished difference Result 34501 states and 49371 transitions. [2023-11-23 00:05:38,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:38,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 304 [2023-11-23 00:05:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:38,671 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:05:38,671 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:05:38,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:38,713 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1757 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 1563 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:38,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 2114 Invalid, 3215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1651 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-23 00:05:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:05:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:05:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3091813177055585) internal successors, (14744), 11394 states have internal predecessors, (14744), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:05:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24254 transitions. [2023-11-23 00:05:39,933 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24254 transitions. Word has length 304 [2023-11-23 00:05:39,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:39,934 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24254 transitions. [2023-11-23 00:05:39,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24254 transitions. [2023-11-23 00:05:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-23 00:05:39,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:39,938 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:39,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 00:05:39,938 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:39,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:39,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1804907838, now seen corresponding path program 1 times [2023-11-23 00:05:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:39,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813960720] [2023-11-23 00:05:39,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:40,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:40,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813960720] [2023-11-23 00:05:40,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813960720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:40,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:40,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:40,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177660153] [2023-11-23 00:05:40,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:40,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:40,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:40,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:40,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:40,854 INFO L87 Difference]: Start difference. First operand 17229 states and 24254 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:45,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:45,089 INFO L93 Difference]: Finished difference Result 34501 states and 49319 transitions. [2023-11-23 00:05:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:45,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 305 [2023-11-23 00:05:45,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:45,154 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:05:45,154 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:05:45,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:45,202 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1753 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:45,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2114 Invalid, 3213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1650 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 00:05:45,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:05:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:05:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3068726691529036) internal successors, (14718), 11394 states have internal predecessors, (14718), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:05:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24228 transitions. [2023-11-23 00:05:46,582 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24228 transitions. Word has length 305 [2023-11-23 00:05:46,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:46,583 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24228 transitions. [2023-11-23 00:05:46,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24228 transitions. [2023-11-23 00:05:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-23 00:05:46,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:46,588 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:46,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 00:05:46,588 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:46,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1590471382, now seen corresponding path program 1 times [2023-11-23 00:05:46,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:46,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450560286] [2023-11-23 00:05:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:47,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:47,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450560286] [2023-11-23 00:05:47,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450560286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:47,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:47,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:47,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677162186] [2023-11-23 00:05:47,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:47,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:47,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:47,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:47,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:47,648 INFO L87 Difference]: Start difference. First operand 17229 states and 24228 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:52,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:52,028 INFO L93 Difference]: Finished difference Result 34501 states and 49267 transitions. [2023-11-23 00:05:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:52,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 306 [2023-11-23 00:05:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:52,084 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:05:52,084 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:05:52,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:52,132 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1749 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:52,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 2114 Invalid, 3211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 00:05:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:05:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:05:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3045640206002487) internal successors, (14692), 11394 states have internal predecessors, (14692), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:05:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24202 transitions. [2023-11-23 00:05:53,481 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24202 transitions. Word has length 306 [2023-11-23 00:05:53,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:05:53,481 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24202 transitions. [2023-11-23 00:05:53,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24202 transitions. [2023-11-23 00:05:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-11-23 00:05:53,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:05:53,486 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:05:53,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 00:05:53,486 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:05:53,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:05:53,487 INFO L85 PathProgramCache]: Analyzing trace with hash 641471802, now seen corresponding path program 1 times [2023-11-23 00:05:53,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:05:53,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295498906] [2023-11-23 00:05:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:05:53,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:05:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:05:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:05:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:05:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:05:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:05:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:05:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:05:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:05:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:05:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:05:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:05:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:05:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:05:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:05:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:05:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:05:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:05:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:05:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:05:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:05:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:05:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:05:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:05:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:05:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:05:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:05:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:05:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:05:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:05:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:05:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:05:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:05:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:05:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:05:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:05:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:05:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:05:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:05:54,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:05:54,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295498906] [2023-11-23 00:05:54,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295498906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:05:54,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:05:54,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:05:54,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627203971] [2023-11-23 00:05:54,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:05:54,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:05:54,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:05:54,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:05:54,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:05:54,342 INFO L87 Difference]: Start difference. First operand 17229 states and 24202 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:05:58,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:05:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:05:59,510 INFO L93 Difference]: Finished difference Result 34501 states and 49215 transitions. [2023-11-23 00:05:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:05:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 307 [2023-11-23 00:05:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:05:59,570 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:05:59,571 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:05:59,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:05:59,629 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1745 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 00:05:59,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 2114 Invalid, 3209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 00:05:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:06:00,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:06:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3022553720475938) internal successors, (14666), 11394 states have internal predecessors, (14666), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:06:00,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24176 transitions. [2023-11-23 00:06:00,936 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24176 transitions. Word has length 307 [2023-11-23 00:06:00,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:00,936 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24176 transitions. [2023-11-23 00:06:00,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24176 transitions. [2023-11-23 00:06:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-11-23 00:06:00,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:00,941 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:00,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 00:06:00,941 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:00,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:00,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1226750374, now seen corresponding path program 1 times [2023-11-23 00:06:00,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:00,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169611158] [2023-11-23 00:06:00,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:06:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:06:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:06:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:06:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:06:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:06:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:06:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:06:01,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:01,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169611158] [2023-11-23 00:06:01,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169611158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:01,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:01,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:06:01,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706185265] [2023-11-23 00:06:01,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:01,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:06:01,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:01,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:06:01,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:06:01,702 INFO L87 Difference]: Start difference. First operand 17229 states and 24176 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:05,917 INFO L93 Difference]: Finished difference Result 34501 states and 49163 transitions. [2023-11-23 00:06:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:06:05,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 308 [2023-11-23 00:06:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:05,975 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:06:05,975 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:06:06,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:06:06,023 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1741 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:06,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2114 Invalid, 3207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 00:06:06,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:06:07,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:06:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.2999467234949387) internal successors, (14640), 11394 states have internal predecessors, (14640), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:06:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24150 transitions. [2023-11-23 00:06:07,187 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24150 transitions. Word has length 308 [2023-11-23 00:06:07,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:07,188 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24150 transitions. [2023-11-23 00:06:07,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24150 transitions. [2023-11-23 00:06:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-11-23 00:06:07,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:07,193 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:07,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 00:06:07,193 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:07,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:07,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1989933770, now seen corresponding path program 1 times [2023-11-23 00:06:07,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:07,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552386925] [2023-11-23 00:06:07,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:07,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:06:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:06:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:06:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:06:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:06:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:06:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:06:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:06:07,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:07,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552386925] [2023-11-23 00:06:07,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552386925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:07,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:06:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439040759] [2023-11-23 00:06:07,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:07,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:06:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:06:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:06:07,989 INFO L87 Difference]: Start difference. First operand 17229 states and 24150 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:12,656 INFO L93 Difference]: Finished difference Result 34501 states and 49111 transitions. [2023-11-23 00:06:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:06:12,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 309 [2023-11-23 00:06:12,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:12,705 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:06:12,705 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:06:12,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:06:12,751 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1737 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:12,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 2114 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 00:06:12,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:06:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:06:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.2976380749422838) internal successors, (14614), 11394 states have internal predecessors, (14614), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:06:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24124 transitions. [2023-11-23 00:06:13,939 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24124 transitions. Word has length 309 [2023-11-23 00:06:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:13,940 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24124 transitions. [2023-11-23 00:06:13,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24124 transitions. [2023-11-23 00:06:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-11-23 00:06:13,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:13,945 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:13,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 00:06:13,945 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:13,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1486589474, now seen corresponding path program 1 times [2023-11-23 00:06:13,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:13,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867965434] [2023-11-23 00:06:13,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:06:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:06:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:06:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:06:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:06:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:06:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:06:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:06:14,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:14,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867965434] [2023-11-23 00:06:14,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867965434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:14,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:14,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:06:14,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722040165] [2023-11-23 00:06:14,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:14,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:06:14,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:14,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:06:14,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:06:14,795 INFO L87 Difference]: Start difference. First operand 17229 states and 24124 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:19,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:19,260 INFO L93 Difference]: Finished difference Result 34501 states and 49059 transitions. [2023-11-23 00:06:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:06:19,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 310 [2023-11-23 00:06:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:19,299 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:06:19,299 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:06:19,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:06:19,332 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1733 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 1563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:19,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 2114 Invalid, 3203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 00:06:19,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:06:20,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:06:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.295329426389629) internal successors, (14588), 11394 states have internal predecessors, (14588), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:06:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24098 transitions. [2023-11-23 00:06:20,648 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24098 transitions. Word has length 310 [2023-11-23 00:06:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:20,648 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24098 transitions. [2023-11-23 00:06:20,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24098 transitions. [2023-11-23 00:06:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-23 00:06:20,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:20,653 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:20,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 00:06:20,653 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:20,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1999144242, now seen corresponding path program 1 times [2023-11-23 00:06:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436380151] [2023-11-23 00:06:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:06:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:06:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:06:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:06:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:06:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:06:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:06:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:06:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:21,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436380151] [2023-11-23 00:06:21,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436380151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:21,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:21,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:06:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029922707] [2023-11-23 00:06:21,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:21,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:06:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:06:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:06:21,366 INFO L87 Difference]: Start difference. First operand 17229 states and 24098 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:25,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:06:27,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:27,152 INFO L93 Difference]: Finished difference Result 34501 states and 49007 transitions. [2023-11-23 00:06:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 00:06:27,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 311 [2023-11-23 00:06:27,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:27,198 INFO L225 Difference]: With dead ends: 34501 [2023-11-23 00:06:27,199 INFO L226 Difference]: Without dead ends: 17289 [2023-11-23 00:06:27,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:06:27,239 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 1729 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 1563 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:27,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 2114 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 1637 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-11-23 00:06:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-23 00:06:28,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-23 00:06:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.293020777836974) internal successors, (14562), 11394 states have internal predecessors, (14562), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-23 00:06:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24072 transitions. [2023-11-23 00:06:28,506 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24072 transitions. Word has length 311 [2023-11-23 00:06:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:28,506 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24072 transitions. [2023-11-23 00:06:28,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-23 00:06:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24072 transitions. [2023-11-23 00:06:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-23 00:06:28,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:28,511 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:28,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 00:06:28,511 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:28,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2027773393, now seen corresponding path program 1 times [2023-11-23 00:06:28,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:28,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441111237] [2023-11-23 00:06:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:28,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 00:06:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 00:06:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 00:06:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 00:06:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 00:06:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 00:06:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 00:06:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-23 00:06:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441111237] [2023-11-23 00:06:29,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441111237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:29,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:29,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:06:29,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284568191] [2023-11-23 00:06:29,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:29,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:06:29,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:29,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:06:29,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:06:29,296 INFO L87 Difference]: Start difference. First operand 17229 states and 24072 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 00:06:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:33,809 INFO L93 Difference]: Finished difference Result 17331 states and 24311 transitions. [2023-11-23 00:06:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 00:06:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 311 [2023-11-23 00:06:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:33,857 INFO L225 Difference]: With dead ends: 17331 [2023-11-23 00:06:33,857 INFO L226 Difference]: Without dead ends: 17329 [2023-11-23 00:06:33,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 00:06:33,866 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 231 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 4172 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:33,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 4172 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 00:06:33,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17329 states. [2023-11-23 00:06:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17329 to 17269. [2023-11-23 00:06:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17269 states, 11292 states have (on average 1.2908253630889126) internal successors, (14576), 11424 states have internal predecessors, (14576), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1344 states have return successors, (4888), 4528 states have call predecessors, (4888), 4632 states have call successors, (4888) [2023-11-23 00:06:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 24096 transitions. [2023-11-23 00:06:35,088 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 24096 transitions. Word has length 311 [2023-11-23 00:06:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:35,088 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 24096 transitions. [2023-11-23 00:06:35,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-23 00:06:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 24096 transitions. [2023-11-23 00:06:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-11-23 00:06:35,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:35,094 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:35,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 00:06:35,095 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:35,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash -66716742, now seen corresponding path program 1 times [2023-11-23 00:06:35,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:35,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987161662] [2023-11-23 00:06:35,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:35,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 00:06:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 00:06:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 00:06:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 00:06:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 00:06:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-23 00:06:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-23 00:06:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:06:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:06:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-23 00:06:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-23 00:06:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:06:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:06:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-23 00:06:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-23 00:06:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-23 00:06:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-23 00:06:35,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:35,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987161662] [2023-11-23 00:06:35,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987161662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:35,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:35,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 00:06:35,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966553950] [2023-11-23 00:06:35,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:35,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 00:06:35,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:35,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 00:06:35,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 00:06:35,765 INFO L87 Difference]: Start difference. First operand 17269 states and 24096 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-23 00:06:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:06:43,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:06:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:06:46,704 INFO L93 Difference]: Finished difference Result 36765 states and 51554 transitions. [2023-11-23 00:06:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 00:06:46,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 373 [2023-11-23 00:06:46,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:06:46,749 INFO L225 Difference]: With dead ends: 36765 [2023-11-23 00:06:46,750 INFO L226 Difference]: Without dead ends: 19513 [2023-11-23 00:06:46,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-23 00:06:46,778 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 1582 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 3656 mSolverCounterSat, 1604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 5260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1604 IncrementalHoareTripleChecker+Valid, 3656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-23 00:06:46,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 2430 Invalid, 5260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1604 Valid, 3656 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-11-23 00:06:46,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19513 states. [2023-11-23 00:06:48,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19513 to 19315. [2023-11-23 00:06:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19315 states, 12744 states have (on average 1.2972379158819838) internal successors, (16532), 12914 states have internal predecessors, (16532), 5062 states have call successors, (5062), 1504 states have call predecessors, (5062), 1508 states have return successors, (5352), 4934 states have call predecessors, (5352), 5062 states have call successors, (5352) [2023-11-23 00:06:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19315 states to 19315 states and 26946 transitions. [2023-11-23 00:06:48,216 INFO L78 Accepts]: Start accepts. Automaton has 19315 states and 26946 transitions. Word has length 373 [2023-11-23 00:06:48,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:06:48,216 INFO L495 AbstractCegarLoop]: Abstraction has 19315 states and 26946 transitions. [2023-11-23 00:06:48,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-23 00:06:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19315 states and 26946 transitions. [2023-11-23 00:06:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-11-23 00:06:48,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:06:48,222 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:06:48,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 00:06:48,223 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:06:48,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:06:48,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2142087734, now seen corresponding path program 1 times [2023-11-23 00:06:48,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:06:48,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923209156] [2023-11-23 00:06:48,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:06:48,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:06:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:06:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:06:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:06:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:06:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:06:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:06:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:06:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:06:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:06:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:06:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:06:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:06:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:06:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:06:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:06:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:06:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:06:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:06:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:06:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:06:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:06:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:06:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:06:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:06:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:06:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:06:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:06:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:06:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 00:06:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 00:06:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 00:06:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 00:06:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-23 00:06:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 00:06:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-23 00:06:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:06:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:06:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-23 00:06:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-23 00:06:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:06:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:06:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:06:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-23 00:06:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-23 00:06:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-23 00:06:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:06:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-23 00:06:48,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:06:48,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923209156] [2023-11-23 00:06:48,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923209156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:06:48,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:06:48,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 00:06:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373549284] [2023-11-23 00:06:48,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:06:48,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 00:06:48,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:06:48,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 00:06:48,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 00:06:48,791 INFO L87 Difference]: Start difference. First operand 19315 states and 26946 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-23 00:06:52,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:07:01,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:07:01,299 INFO L93 Difference]: Finished difference Result 40773 states and 57042 transitions. [2023-11-23 00:07:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 00:07:01,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 366 [2023-11-23 00:07:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:07:01,359 INFO L225 Difference]: With dead ends: 40773 [2023-11-23 00:07:01,359 INFO L226 Difference]: Without dead ends: 21475 [2023-11-23 00:07:01,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-23 00:07:01,399 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 1216 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 4717 mSolverCounterSat, 1096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 5813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1096 IncrementalHoareTripleChecker+Valid, 4717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-23 00:07:01,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 3063 Invalid, 5813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1096 Valid, 4717 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-23 00:07:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21475 states. [2023-11-23 00:07:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21475 to 21273. [2023-11-23 00:07:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21273 states, 14104 states have (on average 1.3043108338060125) internal successors, (18396), 14304 states have internal predecessors, (18396), 5492 states have call successors, (5492), 1674 states have call predecessors, (5492), 1676 states have return successors, (5784), 5340 states have call predecessors, (5784), 5492 states have call successors, (5784) [2023-11-23 00:07:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21273 states to 21273 states and 29672 transitions. [2023-11-23 00:07:03,060 INFO L78 Accepts]: Start accepts. Automaton has 21273 states and 29672 transitions. Word has length 366 [2023-11-23 00:07:03,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:07:03,061 INFO L495 AbstractCegarLoop]: Abstraction has 21273 states and 29672 transitions. [2023-11-23 00:07:03,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-23 00:07:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 21273 states and 29672 transitions. [2023-11-23 00:07:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-23 00:07:03,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:07:03,068 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:07:03,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 00:07:03,068 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:07:03,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:07:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1966783525, now seen corresponding path program 1 times [2023-11-23 00:07:03,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:07:03,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734297925] [2023-11-23 00:07:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:07:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:07:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:07:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:07:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:07:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:07:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:07:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:07:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:07:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:07:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:07:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:07:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:07:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:07:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:07:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:07:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:07:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:07:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:07:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:07:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:07:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:07:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:07:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:07:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:07:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:07:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:07:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:07:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 00:07:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 00:07:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 00:07:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 00:07:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-23 00:07:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 00:07:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-23 00:07:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-23 00:07:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-23 00:07:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-11-23 00:07:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-11-23 00:07:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-11-23 00:07:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-23 00:07:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-11-23 00:07:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-23 00:07:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-23 00:07:03,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:07:03,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734297925] [2023-11-23 00:07:03,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734297925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:07:03,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:07:03,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 00:07:03,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792072051] [2023-11-23 00:07:03,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:07:03,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 00:07:03,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:07:03,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 00:07:03,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:07:03,821 INFO L87 Difference]: Start difference. First operand 21273 states and 29672 transitions. Second operand has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-23 00:07:13,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:07:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:07:22,249 INFO L93 Difference]: Finished difference Result 53653 states and 76144 transitions. [2023-11-23 00:07:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 00:07:22,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 403 [2023-11-23 00:07:22,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:07:22,343 INFO L225 Difference]: With dead ends: 53653 [2023-11-23 00:07:22,343 INFO L226 Difference]: Without dead ends: 32397 [2023-11-23 00:07:22,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-23 00:07:22,393 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 1776 mSDsluCounter, 3934 mSDsCounter, 0 mSdLazyCounter, 6955 mSolverCounterSat, 1379 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 5195 SdHoareTripleChecker+Invalid, 8335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1379 IncrementalHoareTripleChecker+Valid, 6955 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-11-23 00:07:22,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 5195 Invalid, 8335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1379 Valid, 6955 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2023-11-23 00:07:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32397 states. [2023-11-23 00:07:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32397 to 24489. [2023-11-23 00:07:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24489 states, 16180 states have (on average 1.3023485784919653) internal successors, (21072), 16416 states have internal predecessors, (21072), 6264 states have call successors, (6264), 2044 states have call predecessors, (6264), 2044 states have return successors, (6564), 6082 states have call predecessors, (6564), 6264 states have call successors, (6564) [2023-11-23 00:07:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24489 states to 24489 states and 33900 transitions. [2023-11-23 00:07:24,491 INFO L78 Accepts]: Start accepts. Automaton has 24489 states and 33900 transitions. Word has length 403 [2023-11-23 00:07:24,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:07:24,492 INFO L495 AbstractCegarLoop]: Abstraction has 24489 states and 33900 transitions. [2023-11-23 00:07:24,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-23 00:07:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 24489 states and 33900 transitions. [2023-11-23 00:07:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-23 00:07:24,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:07:24,500 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:07:24,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 00:07:24,500 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:07:24,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:07:24,500 INFO L85 PathProgramCache]: Analyzing trace with hash 522836031, now seen corresponding path program 1 times [2023-11-23 00:07:24,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:07:24,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972867077] [2023-11-23 00:07:24,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:07:24,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:07:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:07:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:07:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:07:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:07:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:07:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:07:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:07:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:07:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:07:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:07:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:07:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:07:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:07:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:07:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:07:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:07:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:07:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:07:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:07:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:07:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:07:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:07:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:07:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:07:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:07:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:07:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 00:07:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 00:07:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 00:07:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 00:07:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-23 00:07:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 00:07:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-23 00:07:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-23 00:07:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-23 00:07:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-23 00:07:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-11-23 00:07:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-11-23 00:07:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-23 00:07:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2023-11-23 00:07:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-23 00:07:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-23 00:07:25,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:07:25,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972867077] [2023-11-23 00:07:25,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972867077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:07:25,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:07:25,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 00:07:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808464346] [2023-11-23 00:07:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:07:25,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 00:07:25,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:07:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 00:07:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:07:25,032 INFO L87 Difference]: Start difference. First operand 24489 states and 33900 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-23 00:07:28,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:07:42,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:07:42,297 INFO L93 Difference]: Finished difference Result 60377 states and 85730 transitions. [2023-11-23 00:07:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 00:07:42,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 404 [2023-11-23 00:07:42,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:07:42,382 INFO L225 Difference]: With dead ends: 60377 [2023-11-23 00:07:42,382 INFO L226 Difference]: Without dead ends: 35905 [2023-11-23 00:07:42,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-23 00:07:42,421 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 1891 mSDsluCounter, 3482 mSDsCounter, 0 mSdLazyCounter, 6028 mSolverCounterSat, 1558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 7586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1558 IncrementalHoareTripleChecker+Valid, 6028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:07:42,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 4808 Invalid, 7586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1558 Valid, 6028 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2023-11-23 00:07:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35905 states. [2023-11-23 00:07:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35905 to 26471. [2023-11-23 00:07:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26471 states, 17576 states have (on average 1.3070095584888484) internal successors, (22972), 17842 states have internal predecessors, (22972), 6694 states have call successors, (6694), 2202 states have call predecessors, (6694), 2200 states have return successors, (6996), 6488 states have call predecessors, (6996), 6694 states have call successors, (6996) [2023-11-23 00:07:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26471 states to 26471 states and 36662 transitions. [2023-11-23 00:07:44,534 INFO L78 Accepts]: Start accepts. Automaton has 26471 states and 36662 transitions. Word has length 404 [2023-11-23 00:07:44,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:07:44,535 INFO L495 AbstractCegarLoop]: Abstraction has 26471 states and 36662 transitions. [2023-11-23 00:07:44,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-23 00:07:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 26471 states and 36662 transitions. [2023-11-23 00:07:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-11-23 00:07:44,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:07:44,542 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:07:44,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 00:07:44,543 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 00:07:44,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:07:44,543 INFO L85 PathProgramCache]: Analyzing trace with hash -572759449, now seen corresponding path program 1 times [2023-11-23 00:07:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:07:44,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663436426] [2023-11-23 00:07:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:07:44,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:07:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:07:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:07:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 00:07:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 00:07:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 00:07:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 00:07:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 00:07:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:07:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:07:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 00:07:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:07:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 00:07:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-23 00:07:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 00:07:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 00:07:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 00:07:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 00:07:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 00:07:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 00:07:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 00:07:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 00:07:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 00:07:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 00:07:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 00:07:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 00:07:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 00:07:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 00:07:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-23 00:07:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 00:07:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 00:07:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 00:07:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 00:07:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-23 00:07:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 00:07:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-23 00:07:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-23 00:07:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-11-23 00:07:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-23 00:07:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-23 00:07:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-23 00:07:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:07:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-23 00:07:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 00:07:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-23 00:07:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-23 00:07:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-23 00:07:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:07:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-23 00:07:45,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:07:45,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663436426] [2023-11-23 00:07:45,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663436426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:07:45,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:07:45,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 00:07:45,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309350278] [2023-11-23 00:07:45,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:07:45,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 00:07:45,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:07:45,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 00:07:45,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:07:45,352 INFO L87 Difference]: Start difference. First operand 26471 states and 36662 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 4 states have internal predecessors, (153), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-23 00:07:50,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:07:58,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15