./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 fba957c5 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-fba957c-m [2023-11-23 10:26:06,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:26:06,588 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:26:06,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:26:06,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:26:06,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:26:06,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:26:06,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:26:06,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:26:06,627 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:26:06,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:26:06,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:26:06,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:26:06,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:26:06,630 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:26:06,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:26:06,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:26:06,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:26:06,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:26:06,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:26:06,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:26:06,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:26:06,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:26:06,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:26:06,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:26:06,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:26:06,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:26:06,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:26:06,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:26:06,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:26:06,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:26:06,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:26:06,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:26:06,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:26:06,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:26:06,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:26:06,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:26:06,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:26:06,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:26:06,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:26:06,918 INFO L431 ainManager$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 [2023-11-23 10:26:08,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:26:08,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:26:08,597 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 [2023-11-23 10:26:08,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ef112f5/8e1ea1490d3745f4ba1fe92432f05cb5/FLAG8a72edc59 [2023-11-23 10:26:08,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ef112f5/8e1ea1490d3745f4ba1fe92432f05cb5 [2023-11-23 10:26:08,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:26:08,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:26:08,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:26:08,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:26:08,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:26:08,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:26:08" (1/1) ... [2023-11-23 10:26:08,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1282d397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:08, skipping insertion in model container [2023-11-23 10:26:08,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:26:08" (1/1) ... [2023-11-23 10:26:08,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:26:10,551 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] [2023-11-23 10:26:10,557 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] [2023-11-23 10:26:10,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:26:10,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:26:10,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3837] [2023-11-23 10:26:10,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3892] [2023-11-23 10:26:10,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3895] [2023-11-23 10:26:10,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3898] [2023-11-23 10:26:10,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3901] [2023-11-23 10:26:10,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4621] [2023-11-23 10:26:10,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4627] [2023-11-23 10:26:10,776 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] [2023-11-23 10:26:10,777 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] [2023-11-23 10:26:10,777 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] [2023-11-23 10:26:10,777 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] [2023-11-23 10:26:10,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5499] [2023-11-23 10:26:10,906 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] [2023-11-23 10:26:10,907 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] [2023-11-23 10:26:10,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:26:10,979 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:26:10,979 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:26:10,985 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:26:10,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10 WrapperNode [2023-11-23 10:26:10,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:26:10,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:26:10,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:26:10,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:26:10,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,271 INFO L138 Inliner]: procedures = 363, calls = 3045, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 5109 [2023-11-23 10:26:11,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:26:11,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:26:11,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:26:11,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:26:11,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:26:11,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:26:11,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:26:11,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:26:11,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (1/1) ... [2023-11-23 10:26:11,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:26:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:26:11,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:26:11,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:26:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 10:26:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 10:26:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-23 10:26:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-23 10:26:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 10:26:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 10:26:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 10:26:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 10:26:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 10:26:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 10:26:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 10:26:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-11-23 10:26:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-11-23 10:26:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 10:26:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 10:26:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-23 10:26:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-23 10:26:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:26:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:26:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-23 10:26:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-23 10:26:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-23 10:26:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-23 10:26:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 10:26:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 10:26:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-23 10:26:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-23 10:26:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-23 10:26:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-23 10:26:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-11-23 10:26:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-11-23 10:26:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 10:26:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 10:26:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:26:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-23 10:26:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-23 10:26:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:26:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 10:26:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 10:26:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 10:26:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 10:26:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-23 10:26:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-23 10:26:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:26:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:26:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-23 10:26:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-23 10:26:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 10:26:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 10:26:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 10:26:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 10:26:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-11-23 10:26:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-11-23 10:26:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 10:26:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 10:26:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 10:26:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 10:26:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 10:26:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 10:26:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 10:26:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 10:26:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-23 10:26:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-23 10:26:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-23 10:26:11,576 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 10:26:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 10:26:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-23 10:26:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 10:26:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 10:26:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 10:26:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 10:26:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 10:26:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-23 10:26:11,578 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-23 10:26:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-23 10:26:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-23 10:26:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 10:26:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 10:26:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 10:26:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 10:26:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 10:26:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 10:26:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 10:26:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 10:26:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 10:26:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 10:26:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 10:26:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 10:26:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 10:26:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 10:26:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 10:26:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 10:26:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 10:26:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-23 10:26:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-23 10:26:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 10:26:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 10:26:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 10:26:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-23 10:26:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-23 10:26:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 10:26:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 10:26:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-23 10:26:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-23 10:26:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:26:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 10:26:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-23 10:26:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-23 10:26:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 10:26:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 10:26:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:26:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 10:26:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 10:26:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 10:26:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-23 10:26:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-23 10:26:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 10:26:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-23 10:26:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-23 10:26:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-23 10:26:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-23 10:26:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 10:26:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 10:26:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 10:26:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 10:26:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 10:26:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 10:26:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-23 10:26:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-23 10:26:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 10:26:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 10:26:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 10:26:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 10:26:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-23 10:26:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-23 10:26:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-23 10:26:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-23 10:26:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-23 10:26:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-23 10:26:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 10:26:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-23 10:26:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-23 10:26:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 10:26:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 10:26:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:26:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:26:12,113 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:26:12,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:26:12,310 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 10:26:27,563 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 10:26:27,697 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:26:27,981 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:26:27,981 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 10:26:27,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:26:27 BoogieIcfgContainer [2023-11-23 10:26:27,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:26:27,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:26:27,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:26:27,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:26:27,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:26:08" (1/3) ... [2023-11-23 10:26:27,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f1d731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:26:27, skipping insertion in model container [2023-11-23 10:26:27,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:10" (2/3) ... [2023-11-23 10:26:27,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f1d731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:26:27, skipping insertion in model container [2023-11-23 10:26:27,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:26:27" (3/3) ... [2023-11-23 10:26:27,994 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-23 10:26:28,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:26:28,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:26:28,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:26:28,099 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;@3f43f00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:26:28,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:26:28,114 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) [2023-11-23 10:26:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-23 10:26:28,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:26:28,144 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] [2023-11-23 10:26:28,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:26:28,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:26:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1214079927, now seen corresponding path program 1 times [2023-11-23 10:26:28,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:26:28,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579642462] [2023-11-23 10:26:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:26:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:26:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:26:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:26:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:26:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:26:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:26:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:26:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:26:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:26:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:26:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:26:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:26:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:26:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:26:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:26:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:26:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:26:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:26:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:26:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:26:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 10:26:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-23 10:26:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:26:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 10:26:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 10:26:29,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:26:29,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579642462] [2023-11-23 10:26:29,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579642462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:26:29,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:26:29,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:26:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62373836] [2023-11-23 10:26:29,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:26:29,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:26:29,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:26:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:26:29,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:26:29,530 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) [2023-11-23 10:26:34,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:37,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:39,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:42,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:44,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:49,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:51,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:54,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:26:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:26:56,689 INFO L93 Difference]: Finished difference Result 3358 states and 5117 transitions. [2023-11-23 10:26:56,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:26:56,700 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 [2023-11-23 10:26:56,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:26:56,726 INFO L225 Difference]: With dead ends: 3358 [2023-11-23 10:26:56,726 INFO L226 Difference]: Without dead ends: 2015 [2023-11-23 10:26:56,735 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 [2023-11-23 10:26:56,737 INFO L413 NwaCegarLoop]: 1525 mSDtfsCounter, 1383 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 1479 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:26:56,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 4090 Invalid, 4007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1479 Valid, 2524 Invalid, 4 Unknown, 0 Unchecked, 26.8s Time] [2023-11-23 10:26:56,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2023-11-23 10:26:56,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1959. [2023-11-23 10:26:56,872 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) [2023-11-23 10:26:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2893 transitions. [2023-11-23 10:26:56,886 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2893 transitions. Word has length 250 [2023-11-23 10:26:56,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:26:56,887 INFO L495 AbstractCegarLoop]: Abstraction has 1959 states and 2893 transitions. [2023-11-23 10:26:56,887 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) [2023-11-23 10:26:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2893 transitions. [2023-11-23 10:26:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 10:26:56,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:26:56,896 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] [2023-11-23 10:26:56,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:26:56,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:26:56,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:26:56,897 INFO L85 PathProgramCache]: Analyzing trace with hash -345408941, now seen corresponding path program 1 times [2023-11-23 10:26:56,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:26:56,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581512305] [2023-11-23 10:26:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:26:56,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:26:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:26:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:26:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:26:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:26:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:26:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:26:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:26:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:26:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:26:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:26:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:26:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:26:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:26:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:26:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:26:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:26:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:26:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:26:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:26:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-23 10:26:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:26:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:26:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:26:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-23 10:26:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:26:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 10:26:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-23 10:26:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:26:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-23 10:26:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:26:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581512305] [2023-11-23 10:26:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581512305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:26:57,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:26:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:26:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630577341] [2023-11-23 10:26:57,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:26:57,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:26:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:26:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:26:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:26:57,411 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) [2023-11-23 10:27:04,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:07,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:09,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:11,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:13,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:16,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:18,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:19,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:21,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:26,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:28,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:27:28,333 INFO L93 Difference]: Finished difference Result 5781 states and 8603 transitions. [2023-11-23 10:27:28,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:27:28,334 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 [2023-11-23 10:27:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:27:28,351 INFO L225 Difference]: With dead ends: 5781 [2023-11-23 10:27:28,351 INFO L226 Difference]: Without dead ends: 3861 [2023-11-23 10:27:28,357 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 [2023-11-23 10:27:28,358 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 2103 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 1738 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:27:28,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 4055 Invalid, 4120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1738 Valid, 2375 Invalid, 7 Unknown, 0 Unchecked, 30.6s Time] [2023-11-23 10:27:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2023-11-23 10:27:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3753. [2023-11-23 10:27:28,502 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) [2023-11-23 10:27:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 5532 transitions. [2023-11-23 10:27:28,514 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 5532 transitions. Word has length 256 [2023-11-23 10:27:28,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:27:28,516 INFO L495 AbstractCegarLoop]: Abstraction has 3753 states and 5532 transitions. [2023-11-23 10:27:28,516 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) [2023-11-23 10:27:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 5532 transitions. [2023-11-23 10:27:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-23 10:27:28,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:27:28,525 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] [2023-11-23 10:27:28,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:27:28,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:27:28,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:27:28,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2082766708, now seen corresponding path program 1 times [2023-11-23 10:27:28,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:27:28,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168024351] [2023-11-23 10:27:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:27:28,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:27:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:27:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:27:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:27:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:27:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:27:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:27:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:27:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:27:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:27:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:27:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:27:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:27:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:27:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:27:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:27:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:27:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:27:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:27:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:27:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:27:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 10:27:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:27:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-23 10:27:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-23 10:27:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-23 10:27:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2023-11-23 10:27:29,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:27:29,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168024351] [2023-11-23 10:27:29,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168024351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:27:29,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:27:29,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:27:29,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229370789] [2023-11-23 10:27:29,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:27:29,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:27:29,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:27:29,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:27:29,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:27:29,024 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) [2023-11-23 10:27:34,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:36,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:38,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:40,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:42,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:44,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:48,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:50,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:52,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:27:54,157 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 [] [2023-11-23 10:27:57,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:27:57,019 INFO L93 Difference]: Finished difference Result 11373 states and 16883 transitions. [2023-11-23 10:27:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:27:57,022 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 [2023-11-23 10:27:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:27:57,047 INFO L225 Difference]: With dead ends: 11373 [2023-11-23 10:27:57,047 INFO L226 Difference]: Without dead ends: 7659 [2023-11-23 10:27:57,054 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 [2023-11-23 10:27:57,055 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 2070 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 1366 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1366 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:27:57,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 5379 Invalid, 4474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1366 Valid, 3104 Invalid, 4 Unknown, 0 Unchecked, 27.7s Time] [2023-11-23 10:27:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2023-11-23 10:27:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7449. [2023-11-23 10:27:57,243 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) [2023-11-23 10:27:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7449 states to 7449 states and 10969 transitions. [2023-11-23 10:27:57,263 INFO L78 Accepts]: Start accepts. Automaton has 7449 states and 10969 transitions. Word has length 270 [2023-11-23 10:27:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:27:57,264 INFO L495 AbstractCegarLoop]: Abstraction has 7449 states and 10969 transitions. [2023-11-23 10:27:57,264 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) [2023-11-23 10:27:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7449 states and 10969 transitions. [2023-11-23 10:27:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-23 10:27:57,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:27:57,270 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] [2023-11-23 10:27:57,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:27:57,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:27:57,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:27:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1705939828, now seen corresponding path program 1 times [2023-11-23 10:27:57,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:27:57,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640134554] [2023-11-23 10:27:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:27:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:27:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:27:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:27:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:27:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:27:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:27:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:27:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:27:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:27:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:27:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:27:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:27:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:27:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:27:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:27:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:27:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:27:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:27:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:27:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:27:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 10:27:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:27:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:27:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 10:27:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:27:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:27:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-23 10:27:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 10:27:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-23 10:27:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:27:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 10:27:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-23 10:27:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:27:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-11-23 10:27:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:27:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640134554] [2023-11-23 10:27:57,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640134554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:27:57,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:27:57,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 10:27:57,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589165488] [2023-11-23 10:27:57,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:27:57,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 10:27:57,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:27:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 10:27:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 10:27:57,679 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) [2023-11-23 10:28:04,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:28:04,292 INFO L93 Difference]: Finished difference Result 21677 states and 31906 transitions. [2023-11-23 10:28:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:28:04,293 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 [2023-11-23 10:28:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:28:04,370 INFO L225 Difference]: With dead ends: 21677 [2023-11-23 10:28:04,371 INFO L226 Difference]: Without dead ends: 14267 [2023-11-23 10:28:04,392 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 [2023-11-23 10:28:04,394 INFO L413 NwaCegarLoop]: 1576 mSDtfsCounter, 1719 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 3687 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:28:04,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 3687 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 10:28:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14267 states. [2023-11-23 10:28:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14267 to 14137. [2023-11-23 10:28:04,898 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) [2023-11-23 10:28:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14137 states to 14137 states and 20671 transitions. [2023-11-23 10:28:04,938 INFO L78 Accepts]: Start accepts. Automaton has 14137 states and 20671 transitions. Word has length 281 [2023-11-23 10:28:04,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:28:04,938 INFO L495 AbstractCegarLoop]: Abstraction has 14137 states and 20671 transitions. [2023-11-23 10:28:04,939 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) [2023-11-23 10:28:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 14137 states and 20671 transitions. [2023-11-23 10:28:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 10:28:04,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:28:04,947 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] [2023-11-23 10:28:04,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 10:28:04,947 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:28:04,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:28:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1544031573, now seen corresponding path program 1 times [2023-11-23 10:28:04,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:28:04,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373138696] [2023-11-23 10:28:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:28:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:28:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:28:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:28:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:28:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:28:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:28:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:28:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:28:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:28:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:28:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:28:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:28:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:28:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:28:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:28:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:28:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:28:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:28:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:28:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:28:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 10:28:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 10:28:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 10:28:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:28:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:28:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 10:28:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 10:28:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-23 10:28:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-23 10:28:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2023-11-23 10:28:05,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:28:05,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373138696] [2023-11-23 10:28:05,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373138696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:28:05,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:28:05,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:28:05,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325227931] [2023-11-23 10:28:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:28:05,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:28:05,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:28:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:28:05,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:28:05,478 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) [2023-11-23 10:28:11,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:13,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:15,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:17,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:21,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:23,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:26,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:28:29,961 INFO L93 Difference]: Finished difference Result 29292 states and 42916 transitions. [2023-11-23 10:28:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:28:29,962 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 [2023-11-23 10:28:29,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:28:30,006 INFO L225 Difference]: With dead ends: 29292 [2023-11-23 10:28:30,007 INFO L226 Difference]: Without dead ends: 15194 [2023-11-23 10:28:30,036 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 [2023-11-23 10:28:30,036 INFO L413 NwaCegarLoop]: 1498 mSDtfsCounter, 1185 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2359 mSolverCounterSat, 1185 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4032 SdHoareTripleChecker+Invalid, 3549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1185 IncrementalHoareTripleChecker+Valid, 2359 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:28:30,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4032 Invalid, 3549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1185 Valid, 2359 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2023-11-23 10:28:30,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15194 states. [2023-11-23 10:28:30,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15194 to 14769. [2023-11-23 10:28:30,516 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) [2023-11-23 10:28:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14769 states to 14769 states and 21468 transitions. [2023-11-23 10:28:30,565 INFO L78 Accepts]: Start accepts. Automaton has 14769 states and 21468 transitions. Word has length 272 [2023-11-23 10:28:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:28:30,566 INFO L495 AbstractCegarLoop]: Abstraction has 14769 states and 21468 transitions. [2023-11-23 10:28:30,566 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) [2023-11-23 10:28:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14769 states and 21468 transitions. [2023-11-23 10:28:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-11-23 10:28:30,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:28:30,574 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] [2023-11-23 10:28:30,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 10:28:30,574 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:28:30,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:28:30,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1580179149, now seen corresponding path program 1 times [2023-11-23 10:28:30,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:28:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997573068] [2023-11-23 10:28:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:28:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:28:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:28:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:28:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:28:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:28:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:28:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:28:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:28:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:28:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:28:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:28:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:28:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:28:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:28:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:28:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:28:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:28:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:28:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:28:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:28:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 10:28:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:28:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:28:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 10:28:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 10:28:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-23 10:28:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-23 10:28:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-23 10:28:31,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:28:31,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997573068] [2023-11-23 10:28:31,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997573068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:28:31,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:28:31,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:28:31,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149625478] [2023-11-23 10:28:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:28:31,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:28:31,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:28:31,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:28:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:28:31,192 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) [2023-11-23 10:28:36,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:39,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:46,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:51,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:53,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:54,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:28:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:28:56,073 INFO L93 Difference]: Finished difference Result 43382 states and 63243 transitions. [2023-11-23 10:28:56,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:28:56,074 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 [2023-11-23 10:28:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:28:56,149 INFO L225 Difference]: With dead ends: 43382 [2023-11-23 10:28:56,149 INFO L226 Difference]: Without dead ends: 28652 [2023-11-23 10:28:56,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:28:56,177 INFO L413 NwaCegarLoop]: 1656 mSDtfsCounter, 2063 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 1653 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 4211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:28:56,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 4335 Invalid, 4211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1653 Valid, 2554 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2023-11-23 10:28:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28652 states. [2023-11-23 10:28:57,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28652 to 27803. [2023-11-23 10:28:57,207 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) [2023-11-23 10:28:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27803 states to 27803 states and 40153 transitions. [2023-11-23 10:28:57,398 INFO L78 Accepts]: Start accepts. Automaton has 27803 states and 40153 transitions. Word has length 273 [2023-11-23 10:28:57,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:28:57,399 INFO L495 AbstractCegarLoop]: Abstraction has 27803 states and 40153 transitions. [2023-11-23 10:28:57,399 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) [2023-11-23 10:28:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27803 states and 40153 transitions. [2023-11-23 10:28:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-11-23 10:28:57,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:28:57,406 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] [2023-11-23 10:28:57,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 10:28:57,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:28:57,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:28:57,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1266223310, now seen corresponding path program 1 times [2023-11-23 10:28:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:28:57,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141908882] [2023-11-23 10:28:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:28:57,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:28:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:28:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:28:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:28:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:28:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:28:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:28:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:28:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:28:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:28:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:28:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:28:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:28:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:28:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:28:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:28:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:28:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:28:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:28:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:28:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-23 10:28:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:28:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:28:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-23 10:28:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:28:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:28:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-23 10:28:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-23 10:28:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-23 10:28:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:28:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 10:28:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-23 10:28:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-23 10:28:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:28:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-11-23 10:28:57,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:28:57,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141908882] [2023-11-23 10:28:57,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141908882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:28:57,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:28:57,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:28:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170209201] [2023-11-23 10:28:57,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:28:57,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:28:57,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:28:57,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:28:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:28:57,859 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) [2023-11-23 10:29:05,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:07,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:08,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:10,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:12,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:15,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:20,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:29:23,154 INFO L93 Difference]: Finished difference Result 79283 states and 114814 transitions. [2023-11-23 10:29:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:29:23,155 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 [2023-11-23 10:29:23,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:29:23,326 INFO L225 Difference]: With dead ends: 79283 [2023-11-23 10:29:23,326 INFO L226 Difference]: Without dead ends: 51519 [2023-11-23 10:29:23,378 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 [2023-11-23 10:29:23,379 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 1969 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 1554 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 4165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:29:23,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 4391 Invalid, 4165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 2609 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2023-11-23 10:29:23,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51519 states. [2023-11-23 10:29:25,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51519 to 50001. [2023-11-23 10:29:25,273 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) [2023-11-23 10:29:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50001 states to 50001 states and 71672 transitions. [2023-11-23 10:29:25,456 INFO L78 Accepts]: Start accepts. Automaton has 50001 states and 71672 transitions. Word has length 290 [2023-11-23 10:29:25,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:29:25,457 INFO L495 AbstractCegarLoop]: Abstraction has 50001 states and 71672 transitions. [2023-11-23 10:29:25,457 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) [2023-11-23 10:29:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 50001 states and 71672 transitions. [2023-11-23 10:29:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-11-23 10:29:25,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:29:25,495 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] [2023-11-23 10:29:25,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 10:29:25,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:29:25,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:29:25,496 INFO L85 PathProgramCache]: Analyzing trace with hash -256546646, now seen corresponding path program 1 times [2023-11-23 10:29:25,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:29:25,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919303432] [2023-11-23 10:29:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:29:25,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:29:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:29:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:29:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:29:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:29:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:29:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:29:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:29:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:29:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:29:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:29:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:29:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:29:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:29:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:29:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:29:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:29:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:29:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:29:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:29:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:29:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:29:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 10:29:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 10:29:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 10:29:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 10:29:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 10:29:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 10:29:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 10:29:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:29:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:29:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:29:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-23 10:29:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-23 10:29:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-23 10:29:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-23 10:29:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:29:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2023-11-23 10:29:26,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:29:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919303432] [2023-11-23 10:29:26,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919303432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:29:26,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:29:26,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:29:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034992297] [2023-11-23 10:29:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:29:26,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:29:26,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:29:26,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:29:26,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:29:26,009 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) [2023-11-23 10:29:34,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:36,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:38,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:40,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:41,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:43,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:46,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:48,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:54,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:29:56,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:30:00,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:30:05,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:30:06,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:30:08,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:30:11,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:30:11,901 INFO L93 Difference]: Finished difference Result 150365 states and 216797 transitions. [2023-11-23 10:30:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:30:11,902 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 [2023-11-23 10:30:11,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:30:12,268 INFO L225 Difference]: With dead ends: 150365 [2023-11-23 10:30:12,269 INFO L226 Difference]: Without dead ends: 100499 [2023-11-23 10:30:12,370 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 [2023-11-23 10:30:12,371 INFO L413 NwaCegarLoop]: 2897 mSDtfsCounter, 1799 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 3834 mSolverCounterSat, 952 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 6759 SdHoareTripleChecker+Invalid, 4794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 3834 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:30:12,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 6759 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 3834 Invalid, 8 Unknown, 0 Unchecked, 43.1s Time] [2023-11-23 10:30:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100499 states. [2023-11-23 10:30:15,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100499 to 97529. [2023-11-23 10:30:15,837 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) [2023-11-23 10:30:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97529 states to 97529 states and 139558 transitions. [2023-11-23 10:30:16,625 INFO L78 Accepts]: Start accepts. Automaton has 97529 states and 139558 transitions. Word has length 317 [2023-11-23 10:30:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:30:16,626 INFO L495 AbstractCegarLoop]: Abstraction has 97529 states and 139558 transitions. [2023-11-23 10:30:16,627 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) [2023-11-23 10:30:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 97529 states and 139558 transitions. [2023-11-23 10:30:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-11-23 10:30:16,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:30:16,652 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] [2023-11-23 10:30:16,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 10:30:16,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:30:16,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:30:16,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1068309548, now seen corresponding path program 1 times [2023-11-23 10:30:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:30:16,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530963551] [2023-11-23 10:30:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:30:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:30:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:30:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:30:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:30:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:30:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:30:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:30:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:30:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:30:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:30:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:30:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:30:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 10:30:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 10:30:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:30:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 10:30:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:30:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:30:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 10:30:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-23 10:30:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:30:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:30:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 10:30:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 10:30:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 10:30:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 10:30:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 10:30:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 10:30:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 10:30:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:30:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:30:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:30:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-23 10:30:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-23 10:30:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-23 10:30:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-23 10:30:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:30:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2023-11-23 10:30:17,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:30:17,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530963551] [2023-11-23 10:30:17,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530963551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:30:17,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:30:17,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:30:17,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014042140] [2023-11-23 10:30:17,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:30:17,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:30:17,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:30:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:30:17,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:30:17,131 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) [2023-11-23 10:30:26,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15