./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 23:04:47,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:04:47,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 23:04:47,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:04:47,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:04:47,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:04:47,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:04:47,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:04:47,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:04:47,863 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:04:47,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:04:47,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:04:47,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:04:47,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:04:47,866 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:04:47,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:04:47,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:04:47,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 23:04:47,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:04:47,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:04:47,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:04:47,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:04:47,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:04:47,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:04:47,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:04:47,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:04:47,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:04:47,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:04:47,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:04:47,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:04:47,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:04:47,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:04:47,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 23:04:47,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 23:04:47,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:04:47,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:04:47,871 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:04:47,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:04:47,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:04:47,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:04:48,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:04:48,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:04:48,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:04:48,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:04:48,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:04:48,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-22 23:04:49,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:04:49,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:04:49,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-22 23:04:49,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244b3f61c/98b7070cf8594b6e8a1f41a2d6878ba2/FLAG3c386b673 [2023-11-22 23:04:49,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244b3f61c/98b7070cf8594b6e8a1f41a2d6878ba2 [2023-11-22 23:04:49,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:04:49,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:04:49,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:04:49,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:04:49,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:04:49,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:49" (1/1) ... [2023-11-22 23:04:49,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45433b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:49, skipping insertion in model container [2023-11-22 23:04:49,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:49" (1/1) ... [2023-11-22 23:04:49,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:04:51,460 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-11-22 23:04:51,463 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-11-22 23:04:51,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:04:51,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:04:51,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3837] [2023-11-22 23:04:51,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3892] [2023-11-22 23:04:51,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3895] [2023-11-22 23:04:51,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3898] [2023-11-22 23:04:51,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3901] [2023-11-22 23:04:51,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4621] [2023-11-22 23:04:51,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4627] [2023-11-22 23:04:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4742-4743] [2023-11-22 23:04:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4749-4750] [2023-11-22 23:04:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4756-4757] [2023-11-22 23:04:51,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4763-4764] [2023-11-22 23:04:51,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5499] [2023-11-22 23:04:51,788 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-11-22 23:04:51,789 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-11-22 23:04:51,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:04:51,872 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:04:51,873 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:04:51,879 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:04:51,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51 WrapperNode [2023-11-22 23:04:51,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:04:51,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:04:51,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:04:51,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:04:51,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:51,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,144 INFO L138 Inliner]: procedures = 363, calls = 3045, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 5109 [2023-11-22 23:04:52,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:04:52,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:04:52,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:04:52,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:04:52,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:04:52,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:04:52,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:04:52,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:04:52,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (1/1) ... [2023-11-22 23:04:52,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:04:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:04:52,444 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) [2023-11-22 23:04:52,469 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 [2023-11-22 23:04:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-22 23:04:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-22 23:04:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-22 23:04:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-22 23:04:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-22 23:04:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-22 23:04:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-22 23:04:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 23:04:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 23:04:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 23:04:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 23:04:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-11-22 23:04:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-11-22 23:04:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-22 23:04:52,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-22 23:04:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-22 23:04:52,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-22 23:04:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 23:04:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 23:04:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-22 23:04:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-22 23:04:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-22 23:04:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-22 23:04:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-22 23:04:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-22 23:04:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-22 23:04:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-22 23:04:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-22 23:04:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-22 23:04:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-11-22 23:04:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-11-22 23:04:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-22 23:04:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-22 23:04:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-22 23:04:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-22 23:04:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 23:04:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-22 23:04:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-22 23:04:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 23:04:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:04:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-22 23:04:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-22 23:04:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-22 23:04:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-22 23:04:52,509 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-22 23:04:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-22 23:04:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-11-22 23:04:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-11-22 23:04:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-22 23:04:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-22 23:04:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-22 23:04:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-22 23:04:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-22 23:04:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-22 23:04:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-22 23:04:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-22 23:04:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-22 23:04:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-22 23:04:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-22 23:04:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-22 23:04:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-22 23:04:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-22 23:04:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-22 23:04:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-22 23:04:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-22 23:04:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-22 23:04:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-22 23:04:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-22 23:04:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-22 23:04:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-22 23:04:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-22 23:04:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 23:04:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-22 23:04:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-22 23:04:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-22 23:04:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-22 23:04:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-22 23:04:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-22 23:04:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-22 23:04:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-22 23:04:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-22 23:04:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-22 23:04:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-22 23:04:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-22 23:04:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-22 23:04:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-22 23:04:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-22 23:04:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-22 23:04:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-22 23:04:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-22 23:04:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-22 23:04:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-22 23:04:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 23:04:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-22 23:04:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-22 23:04:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-22 23:04:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-22 23:04:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-22 23:04:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-22 23:04:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-22 23:04:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-22 23:04:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 23:04:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-22 23:04:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-22 23:04:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-22 23:04:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:04:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-22 23:04:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-22 23:04:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-22 23:04:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-22 23:04:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-22 23:04:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-22 23:04:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-22 23:04:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-22 23:04:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-22 23:04:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-22 23:04:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-22 23:04:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-22 23:04:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-22 23:04:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-22 23:04:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-22 23:04:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-22 23:04:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-22 23:04:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-22 23:04:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-22 23:04:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-22 23:04:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-22 23:04:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-22 23:04:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-22 23:04:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 23:04:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-22 23:04:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-22 23:04:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-22 23:04:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-22 23:04:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:04:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:04:53,006 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:04:53,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:04:53,145 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 23:05:09,373 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-22 23:05:09,469 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:05:09,812 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:05:09,812 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-22 23:05:09,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:05:09 BoogieIcfgContainer [2023-11-22 23:05:09,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:05:09,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:05:09,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:05:09,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:05:09,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:04:49" (1/3) ... [2023-11-22 23:05:09,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d91172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:05:09, skipping insertion in model container [2023-11-22 23:05:09,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:51" (2/3) ... [2023-11-22 23:05:09,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d91172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:05:09, skipping insertion in model container [2023-11-22 23:05:09,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:05:09" (3/3) ... [2023-11-22 23:05:09,822 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-22 23:05:09,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:05:09,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:05:09,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:05:09,914 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;@4fb98e5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:05:09,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:05:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 1324 states, 833 states have (on average 1.368547418967587) internal successors, (1140), 842 states have internal predecessors, (1140), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) [2023-11-22 23:05:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-22 23:05:09,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:05:09,957 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:05:09,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:05:09,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:05:09,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1214079927, now seen corresponding path program 1 times [2023-11-22 23:05:09,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:05:09,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108638791] [2023-11-22 23:05:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:05:09,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:05:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:05:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:05:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:05:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:05:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:05:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:05:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:05:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:05:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:05:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:05:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:05:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:05:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:05:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:05:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:05:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:05:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:05:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:05:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:05:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-22 23:05:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-22 23:05:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-22 23:05:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-22 23:05:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-22 23:05:11,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:05:11,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108638791] [2023-11-22 23:05:11,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108638791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:05:11,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:05:11,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:05:11,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588090744] [2023-11-22 23:05:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:05:11,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:05:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:05:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:05:11,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:05:11,568 INFO L87 Difference]: Start difference. First operand has 1324 states, 833 states have (on average 1.368547418967587) internal successors, (1140), 842 states have internal predecessors, (1140), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-22 23:05:18,452 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 [] [2023-11-22 23:05:20,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:22,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:24,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:25,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:31,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:34,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:36,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:38,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:40,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:05:40,996 INFO L93 Difference]: Finished difference Result 3358 states and 5117 transitions. [2023-11-22 23:05:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:05:40,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 250 [2023-11-22 23:05:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:05:41,051 INFO L225 Difference]: With dead ends: 3358 [2023-11-22 23:05:41,061 INFO L226 Difference]: Without dead ends: 2015 [2023-11-22 23:05:41,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:05:41,078 INFO L413 NwaCegarLoop]: 1525 mSDtfsCounter, 1383 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 1479 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:05:41,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 4090 Invalid, 4008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1479 Valid, 2523 Invalid, 6 Unknown, 0 Unchecked, 29.1s Time] [2023-11-22 23:05:41,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2023-11-22 23:05:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1959. [2023-11-22 23:05:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1268 states have (on average 1.3556782334384858) internal successors, (1719), 1280 states have internal predecessors, (1719), 587 states have call successors, (587), 103 states have call predecessors, (587), 103 states have return successors, (587), 584 states have call predecessors, (587), 587 states have call successors, (587) [2023-11-22 23:05:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2893 transitions. [2023-11-22 23:05:41,358 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2893 transitions. Word has length 250 [2023-11-22 23:05:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:05:41,361 INFO L495 AbstractCegarLoop]: Abstraction has 1959 states and 2893 transitions. [2023-11-22 23:05:41,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-22 23:05:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2893 transitions. [2023-11-22 23:05:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-22 23:05:41,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:05:41,371 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 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] [2023-11-22 23:05:41,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 23:05:41,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:05:41,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:05:41,372 INFO L85 PathProgramCache]: Analyzing trace with hash -345408941, now seen corresponding path program 1 times [2023-11-22 23:05:41,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:05:41,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486751476] [2023-11-22 23:05:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:05:41,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:05:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:05:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:05:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:05:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:05:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:05:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:05:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:05:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:05:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:05:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:05:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:05:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:05:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:05:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:05:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:05:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:05:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:05:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:05:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:05:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-22 23:05:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:05:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:05:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:05:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-22 23:05:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-22 23:05:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-22 23:05:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-22 23:05:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:05:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-22 23:05:41,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:05:41,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486751476] [2023-11-22 23:05:41,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486751476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:05:41,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:05:41,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:05:41,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860133737] [2023-11-22 23:05:41,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:05:41,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:05:41,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:05:41,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:05:41,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:05:41,911 INFO L87 Difference]: Start difference. First operand 1959 states and 2893 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-22 23:05:48,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:50,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:51,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:53,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:55,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:05:58,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:01,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:06:05,435 INFO L93 Difference]: Finished difference Result 5781 states and 8603 transitions. [2023-11-22 23:06:05,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:06:05,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 256 [2023-11-22 23:06:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:06:05,451 INFO L225 Difference]: With dead ends: 5781 [2023-11-22 23:06:05,452 INFO L226 Difference]: Without dead ends: 3861 [2023-11-22 23:06:05,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:06:05,457 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 2103 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 1738 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 4054 SdHoareTripleChecker+Invalid, 4117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:06:05,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 4054 Invalid, 4117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1738 Valid, 2377 Invalid, 2 Unknown, 0 Unchecked, 23.2s Time] [2023-11-22 23:06:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2023-11-22 23:06:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3753. [2023-11-22 23:06:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 2436 states have (on average 1.3571428571428572) internal successors, (3306), 2464 states have internal predecessors, (3306), 1113 states have call successors, (1113), 203 states have call predecessors, (1113), 203 states have return successors, (1113), 1103 states have call predecessors, (1113), 1113 states have call successors, (1113) [2023-11-22 23:06:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 5532 transitions. [2023-11-22 23:06:05,579 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 5532 transitions. Word has length 256 [2023-11-22 23:06:05,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:06:05,581 INFO L495 AbstractCegarLoop]: Abstraction has 3753 states and 5532 transitions. [2023-11-22 23:06:05,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-22 23:06:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 5532 transitions. [2023-11-22 23:06:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-22 23:06:05,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:06:05,590 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 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] [2023-11-22 23:06:05,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 23:06:05,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:06:05,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:06:05,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2082766708, now seen corresponding path program 1 times [2023-11-22 23:06:05,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:06:05,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273904611] [2023-11-22 23:06:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:06:05,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:06:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:06:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:06:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:06:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:06:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:06:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:06:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:06:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:06:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:06:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:06:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:06:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:06:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:06:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:06:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:06:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:06:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:06:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:06:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:06:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:06:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-22 23:06:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-22 23:06:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-22 23:06:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-22 23:06:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-22 23:06:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2023-11-22 23:06:06,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:06:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273904611] [2023-11-22 23:06:06,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273904611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:06:06,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:06:06,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:06:06,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748041482] [2023-11-22 23:06:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:06:06,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:06:06,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:06:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:06:06,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:06:06,210 INFO L87 Difference]: Start difference. First operand 3753 states and 5532 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-22 23:06:12,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:15,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:23,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:26,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:06:26,701 INFO L93 Difference]: Finished difference Result 11373 states and 16883 transitions. [2023-11-22 23:06:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:06:26,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 270 [2023-11-22 23:06:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:06:26,731 INFO L225 Difference]: With dead ends: 11373 [2023-11-22 23:06:26,731 INFO L226 Difference]: Without dead ends: 7659 [2023-11-22 23:06:26,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:06:26,743 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2071 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 1367 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 5386 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1367 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:06:26,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 5386 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1367 Valid, 3109 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2023-11-22 23:06:26,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2023-11-22 23:06:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7449. [2023-11-22 23:06:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7449 states, 4843 states have (on average 1.356803634111088) internal successors, (6571), 4899 states have internal predecessors, (6571), 2199 states have call successors, (2199), 406 states have call predecessors, (2199), 406 states have return successors, (2199), 2179 states have call predecessors, (2199), 2199 states have call successors, (2199) [2023-11-22 23:06:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7449 states to 7449 states and 10969 transitions. [2023-11-22 23:06:26,962 INFO L78 Accepts]: Start accepts. Automaton has 7449 states and 10969 transitions. Word has length 270 [2023-11-22 23:06:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:06:26,962 INFO L495 AbstractCegarLoop]: Abstraction has 7449 states and 10969 transitions. [2023-11-22 23:06:26,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-22 23:06:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 7449 states and 10969 transitions. [2023-11-22 23:06:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-22 23:06:26,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:06:26,969 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 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] [2023-11-22 23:06:26,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 23:06:26,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:06:26,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:06:26,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1705939828, now seen corresponding path program 1 times [2023-11-22 23:06:26,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:06:26,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027582927] [2023-11-22 23:06:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:06:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:06:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:06:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:06:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:06:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:06:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:06:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:06:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:06:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:06:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:06:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:06:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:06:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:06:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:06:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:06:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:06:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:06:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:06:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:06:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:06:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-22 23:06:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:06:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:06:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-22 23:06:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:06:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:06:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-22 23:06:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-22 23:06:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-22 23:06:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 23:06:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-22 23:06:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-11-22 23:06:27,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:06:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027582927] [2023-11-22 23:06:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027582927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:06:27,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:06:27,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-22 23:06:27,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116788418] [2023-11-22 23:06:27,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:06:27,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 23:06:27,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:06:27,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 23:06:27,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-22 23:06:27,373 INFO L87 Difference]: Start difference. First operand 7449 states and 10969 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-22 23:06:30,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:06:32,947 INFO L93 Difference]: Finished difference Result 21677 states and 31906 transitions. [2023-11-22 23:06:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 23:06:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 281 [2023-11-22 23:06:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:06:33,018 INFO L225 Difference]: With dead ends: 21677 [2023-11-22 23:06:33,019 INFO L226 Difference]: Without dead ends: 14267 [2023-11-22 23:06:33,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:06:33,042 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 1718 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 3691 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:06:33,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 3691 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-22 23:06:33,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14267 states. [2023-11-22 23:06:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14267 to 14137. [2023-11-22 23:06:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14137 states, 9233 states have (on average 1.3526481100400736) internal successors, (12489), 9361 states have internal predecessors, (12489), 4091 states have call successors, (4091), 812 states have call predecessors, (4091), 812 states have return successors, (4091), 4035 states have call predecessors, (4091), 4091 states have call successors, (4091) [2023-11-22 23:06:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14137 states to 14137 states and 20671 transitions. [2023-11-22 23:06:33,530 INFO L78 Accepts]: Start accepts. Automaton has 14137 states and 20671 transitions. Word has length 281 [2023-11-22 23:06:33,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:06:33,533 INFO L495 AbstractCegarLoop]: Abstraction has 14137 states and 20671 transitions. [2023-11-22 23:06:33,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-22 23:06:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14137 states and 20671 transitions. [2023-11-22 23:06:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-22 23:06:33,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:06:33,547 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 3, 3, 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] [2023-11-22 23:06:33,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 23:06:33,547 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:06:33,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:06:33,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1544031573, now seen corresponding path program 1 times [2023-11-22 23:06:33,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:06:33,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802405585] [2023-11-22 23:06:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:06:33,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:06:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:06:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:06:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:06:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:06:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:06:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:06:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:06:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:06:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:06:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:06:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:06:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:06:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:06:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:06:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:06:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:06:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:06:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:06:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:06:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-22 23:06:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-22 23:06:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 23:06:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:06:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:06:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-22 23:06:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-22 23:06:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-22 23:06:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 23:06:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2023-11-22 23:06:34,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:06:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802405585] [2023-11-22 23:06:34,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802405585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:06:34,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:06:34,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:06:34,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696899914] [2023-11-22 23:06:34,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:06:34,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:06:34,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:06:34,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:06:34,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:06:34,068 INFO L87 Difference]: Start difference. First operand 14137 states and 20671 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-22 23:06:40,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:42,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:45,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:52,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:55,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:06:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:06:56,599 INFO L93 Difference]: Finished difference Result 29292 states and 42916 transitions. [2023-11-22 23:06:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:06:56,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 272 [2023-11-22 23:06:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:06:56,644 INFO L225 Difference]: With dead ends: 29292 [2023-11-22 23:06:56,645 INFO L226 Difference]: Without dead ends: 15194 [2023-11-22 23:06:56,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:06:56,673 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 1185 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 1185 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4033 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:06:56,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4033 Invalid, 3553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1185 Valid, 2365 Invalid, 3 Unknown, 0 Unchecked, 22.0s Time] [2023-11-22 23:06:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15194 states. [2023-11-22 23:06:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15194 to 14769. [2023-11-22 23:06:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14769 states, 9651 states have (on average 1.3490829965806652) internal successors, (13020), 9780 states have internal predecessors, (13020), 4224 states have call successors, (4224), 893 states have call predecessors, (4224), 893 states have return successors, (4224), 4168 states have call predecessors, (4224), 4224 states have call successors, (4224) [2023-11-22 23:06:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14769 states to 14769 states and 21468 transitions. [2023-11-22 23:06:57,165 INFO L78 Accepts]: Start accepts. Automaton has 14769 states and 21468 transitions. Word has length 272 [2023-11-22 23:06:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:06:57,165 INFO L495 AbstractCegarLoop]: Abstraction has 14769 states and 21468 transitions. [2023-11-22 23:06:57,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-22 23:06:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 14769 states and 21468 transitions. [2023-11-22 23:06:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-11-22 23:06:57,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:06:57,172 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 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] [2023-11-22 23:06:57,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 23:06:57,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:06:57,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:06:57,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1580179149, now seen corresponding path program 1 times [2023-11-22 23:06:57,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:06:57,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168043881] [2023-11-22 23:06:57,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:06:57,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:06:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:06:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:06:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:06:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:06:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:06:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:06:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:06:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:06:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:06:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:06:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:06:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:06:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:06:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:06:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:06:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:06:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:06:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:06:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:06:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-22 23:06:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:06:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:06:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:06:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-22 23:06:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-22 23:06:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 23:06:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-22 23:06:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:06:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-22 23:06:57,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:06:57,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168043881] [2023-11-22 23:06:57,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168043881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:06:57,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:06:57,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:06:57,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901590538] [2023-11-22 23:06:57,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:06:57,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:06:57,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:06:57,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:06:57,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:06:57,660 INFO L87 Difference]: Start difference. First operand 14769 states and 21468 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-22 23:07:01,344 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 [] [2023-11-22 23:07:02,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:04,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:07,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:09,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:15,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:17,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:21,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:23,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:27,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:29,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:07:29,380 INFO L93 Difference]: Finished difference Result 43382 states and 63243 transitions. [2023-11-22 23:07:29,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:07:29,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 273 [2023-11-22 23:07:29,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:07:29,515 INFO L225 Difference]: With dead ends: 43382 [2023-11-22 23:07:29,516 INFO L226 Difference]: Without dead ends: 28652 [2023-11-22 23:07:29,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:07:29,641 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 2063 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 1653 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2401 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:07:29,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2401 Valid, 4337 Invalid, 4217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1653 Valid, 2557 Invalid, 7 Unknown, 0 Unchecked, 30.9s Time] [2023-11-22 23:07:29,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28652 states. [2023-11-22 23:07:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28652 to 27803. [2023-11-22 23:07:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27803 states, 18043 states have (on average 1.3379704040348057) internal successors, (24141), 18316 states have internal predecessors, (24141), 8006 states have call successors, (8006), 1753 states have call predecessors, (8006), 1753 states have return successors, (8006), 7878 states have call predecessors, (8006), 8006 states have call successors, (8006) [2023-11-22 23:07:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27803 states to 27803 states and 40153 transitions. [2023-11-22 23:07:31,201 INFO L78 Accepts]: Start accepts. Automaton has 27803 states and 40153 transitions. Word has length 273 [2023-11-22 23:07:31,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:07:31,202 INFO L495 AbstractCegarLoop]: Abstraction has 27803 states and 40153 transitions. [2023-11-22 23:07:31,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-22 23:07:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27803 states and 40153 transitions. [2023-11-22 23:07:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-22 23:07:31,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:07:31,208 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 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] [2023-11-22 23:07:31,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 23:07:31,208 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:07:31,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:07:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1266223310, now seen corresponding path program 1 times [2023-11-22 23:07:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:07:31,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164854040] [2023-11-22 23:07:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:07:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:07:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:07:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:07:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:07:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:07:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:07:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:07:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:07:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:07:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:07:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:07:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:07:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:07:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:07:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:07:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:07:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:07:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:07:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:07:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:07:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-22 23:07:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:07:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:07:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-22 23:07:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:07:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:07:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-22 23:07:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-22 23:07:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-22 23:07:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:07:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 23:07:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 23:07:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-22 23:07:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:07:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-11-22 23:07:31,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:07:31,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164854040] [2023-11-22 23:07:31,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164854040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:07:31,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:07:31,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:07:31,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930037446] [2023-11-22 23:07:31,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:07:31,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:07:31,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:07:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:07:31,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:07:31,541 INFO L87 Difference]: Start difference. First operand 27803 states and 40153 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-22 23:07:36,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:40,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:42,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:44,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:46,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:48,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:50,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:51,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:54,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:57,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:07:59,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:02,197 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 [] [2023-11-22 23:08:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:08:04,735 INFO L93 Difference]: Finished difference Result 79283 states and 114814 transitions. [2023-11-22 23:08:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:08:04,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 290 [2023-11-22 23:08:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:08:05,048 INFO L225 Difference]: With dead ends: 79283 [2023-11-22 23:08:05,048 INFO L226 Difference]: Without dead ends: 51519 [2023-11-22 23:08:05,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:08:05,099 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 1969 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 1554 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 4390 SdHoareTripleChecker+Invalid, 4165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2023-11-22 23:08:05,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 4390 Invalid, 4165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 2605 Invalid, 6 Unknown, 0 Unchecked, 31.5s Time] [2023-11-22 23:08:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51519 states. [2023-11-22 23:08:06,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51519 to 50001. [2023-11-22 23:08:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50001 states, 32653 states have (on average 1.332128747741402) internal successors, (43498), 33213 states have internal predecessors, (43498), 14087 states have call successors, (14087), 3260 states have call predecessors, (14087), 3260 states have return successors, (14087), 13799 states have call predecessors, (14087), 14087 states have call successors, (14087) [2023-11-22 23:08:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50001 states to 50001 states and 71672 transitions. [2023-11-22 23:08:06,931 INFO L78 Accepts]: Start accepts. Automaton has 50001 states and 71672 transitions. Word has length 290 [2023-11-22 23:08:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:08:06,932 INFO L495 AbstractCegarLoop]: Abstraction has 50001 states and 71672 transitions. [2023-11-22 23:08:06,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-22 23:08:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 50001 states and 71672 transitions. [2023-11-22 23:08:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-11-22 23:08:06,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:08:06,956 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 6, 6, 3, 3, 3, 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] [2023-11-22 23:08:06,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 23:08:06,957 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:08:06,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:08:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash -256546646, now seen corresponding path program 1 times [2023-11-22 23:08:06,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:08:06,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210638425] [2023-11-22 23:08:06,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:08:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:08:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:08:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:08:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:08:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:08:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:08:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:08:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:08:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:08:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:08:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:08:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:08:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:08:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:08:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:08:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:08:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:08:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:08:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:08:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:08:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:08:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-22 23:08:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 23:08:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:08:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-22 23:08:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-22 23:08:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-22 23:08:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-22 23:08:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 23:08:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:08:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:08:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-22 23:08:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-22 23:08:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-22 23:08:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-22 23:08:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2023-11-22 23:08:07,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:08:07,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210638425] [2023-11-22 23:08:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210638425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:08:07,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:08:07,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:08:07,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644963933] [2023-11-22 23:08:07,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:08:07,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:08:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:08:07,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:08:07,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:08:07,774 INFO L87 Difference]: Start difference. First operand 50001 states and 71672 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-22 23:08:17,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:20,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:22,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:26,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:29,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:32,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:36,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:38,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:40,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:42,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:45,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:47,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:48,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:50,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:08:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:08:54,219 INFO L93 Difference]: Finished difference Result 150365 states and 216797 transitions. [2023-11-22 23:08:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 23:08:54,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 317 [2023-11-22 23:08:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:08:54,626 INFO L225 Difference]: With dead ends: 150365 [2023-11-22 23:08:54,627 INFO L226 Difference]: Without dead ends: 100499 [2023-11-22 23:08:54,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:08:54,741 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 1798 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 951 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 6764 SdHoareTripleChecker+Invalid, 4798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2023-11-22 23:08:54,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 6764 Invalid, 4798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [951 Valid, 3840 Invalid, 7 Unknown, 0 Unchecked, 43.3s Time] [2023-11-22 23:08:54,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100499 states. [2023-11-22 23:08:58,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100499 to 97529. [2023-11-22 23:08:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97529 states, 63953 states have (on average 1.329976701640267) internal successors, (85056), 64849 states have internal predecessors, (85056), 27251 states have call successors, (27251), 6324 states have call predecessors, (27251), 6324 states have return successors, (27251), 26899 states have call predecessors, (27251), 27251 states have call successors, (27251) [2023-11-22 23:08:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97529 states to 97529 states and 139558 transitions. [2023-11-22 23:08:59,014 INFO L78 Accepts]: Start accepts. Automaton has 97529 states and 139558 transitions. Word has length 317 [2023-11-22 23:08:59,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:08:59,016 INFO L495 AbstractCegarLoop]: Abstraction has 97529 states and 139558 transitions. [2023-11-22 23:08:59,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-22 23:08:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 97529 states and 139558 transitions. [2023-11-22 23:08:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-11-22 23:08:59,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:08:59,044 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 6, 6, 3, 3, 3, 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] [2023-11-22 23:08:59,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 23:08:59,044 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:08:59,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:08:59,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1068309548, now seen corresponding path program 1 times [2023-11-22 23:08:59,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:08:59,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973161319] [2023-11-22 23:08:59,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:08:59,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:08:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:08:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:08:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:08:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 23:08:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 23:08:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 23:08:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:08:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:08:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-22 23:08:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:08:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:08:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-22 23:08:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-22 23:08:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:08:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-22 23:08:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-22 23:08:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:08:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-22 23:08:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 23:08:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:08:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-22 23:08:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-22 23:08:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:08:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-22 23:08:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-22 23:08:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-22 23:08:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-22 23:08:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 23:08:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:08:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:08:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:08:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-22 23:08:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-22 23:08:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-22 23:08:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-22 23:08:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:08:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2023-11-22 23:08:59,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:08:59,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973161319] [2023-11-22 23:08:59,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973161319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:08:59,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:08:59,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:08:59,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389619687] [2023-11-22 23:08:59,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:08:59,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:08:59,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:08:59,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:08:59,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:08:59,582 INFO L87 Difference]: Start difference. First operand 97529 states and 139558 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Killed by 15