./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 19:07:07,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 19:07:07,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 19:07:07,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 19:07:07,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 19:07:07,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 19:07:07,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 19:07:07,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 19:07:07,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 19:07:07,773 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 19:07:07,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 19:07:07,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 19:07:07,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 19:07:07,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 19:07:07,776 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 19:07:07,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 19:07:07,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 19:07:07,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 19:07:07,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 19:07:07,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 19:07:07,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 19:07:07,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 19:07:07,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 19:07:07,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 19:07:07,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 19:07:07,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 19:07:07,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 19:07:07,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 19:07:07,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 19:07:07,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 19:07:07,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 19:07:07,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 19:07:07,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 19:07:07,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 19:07:07,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 19:07:07,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 19:07:07,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 19:07:07,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 19:07:07,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 19:07:07,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 [2023-11-22 19:07:07,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 19:07:07,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 19:07:07,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 19:07:07,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 19:07:07,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 19:07:07,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-22 19:07:09,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 19:07:09,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 19:07:09,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-22 19:07:09,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e841b7a12/067ecf772c5e44bc9e69d1ce8655ca15/FLAGe090915f4 [2023-11-22 19:07:09,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e841b7a12/067ecf772c5e44bc9e69d1ce8655ca15 [2023-11-22 19:07:09,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 19:07:09,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 19:07:09,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 19:07:09,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 19:07:09,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 19:07:09,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:07:09" (1/1) ... [2023-11-22 19:07:09,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a071efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:09, skipping insertion in model container [2023-11-22 19:07:09,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:07:09" (1/1) ... [2023-11-22 19:07:09,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 19:07:10,973 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2023-11-22 19:07:10,976 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2023-11-22 19:07:10,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 19:07:11,026 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 19:07:11,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5436] [2023-11-22 19:07:11,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5443] [2023-11-22 19:07:11,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5450] [2023-11-22 19:07:11,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5509] [2023-11-22 19:07:11,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5512] [2023-11-22 19:07:11,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5515] [2023-11-22 19:07:11,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5518] [2023-11-22 19:07:11,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2023-11-22 19:07:11,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2023-11-22 19:07:11,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 19:07:11,429 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 19:07:11,430 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 19:07:11,435 INFO L206 MainTranslator]: Completed translation [2023-11-22 19:07:11,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11 WrapperNode [2023-11-22 19:07:11,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 19:07:11,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 19:07:11,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 19:07:11,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 19:07:11,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:11,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:11,636 INFO L138 Inliner]: procedures = 391, calls = 2682, calls flagged for inlining = 191, calls inlined = 156, statements flattened = 4519 [2023-11-22 19:07:11,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 19:07:11,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 19:07:11,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 19:07:11,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 19:07:11,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:11,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:11,677 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,109 INFO L189 HeapSplitter]: Split 1325 memory accesses to 20 slices as follows [7, 0, 7, 7, 1, 63, 7, 2, 7, 51, 7, 7, 5, 112, 862, 0, 2, 63, 112, 3] [2023-11-22 19:07:12,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 19:07:12,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 19:07:12,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 19:07:12,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 19:07:12,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (1/1) ... [2023-11-22 19:07:12,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 19:07:12,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 19:07:12,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 19:07:12,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 19:07:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2023-11-22 19:07:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2023-11-22 19:07:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 19:07:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 19:07:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-22 19:07:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-22 19:07:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 19:07:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 19:07:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2023-11-22 19:07:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2023-11-22 19:07:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2023-11-22 19:07:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2023-11-22 19:07:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-22 19:07:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-22 19:07:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-22 19:07:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-22 19:07:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-22 19:07:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2023-11-22 19:07:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2023-11-22 19:07:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-22 19:07:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-22 19:07:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-22 19:07:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-22 19:07:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 19:07:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 19:07:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 19:07:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-22 19:07:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-22 19:07:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-22 19:07:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-22 19:07:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-22 19:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-22 19:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-22 19:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-22 19:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-22 19:07:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-22 19:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2023-11-22 19:07:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2023-11-22 19:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-22 19:07:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-22 19:07:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-22 19:07:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-22 19:07:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-22 19:07:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-22 19:07:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-22 19:07:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-22 19:07:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-22 19:07:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-22 19:07:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-22 19:07:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-22 19:07:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-22 19:07:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-22 19:07:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-22 19:07:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-22 19:07:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-22 19:07:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-22 19:07:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-22 19:07:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-22 19:07:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-22 19:07:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-22 19:07:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-22 19:07:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-22 19:07:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-22 19:07:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-22 19:07:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-22 19:07:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-22 19:07:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-22 19:07:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-22 19:07:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-22 19:07:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-22 19:07:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-22 19:07:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-22 19:07:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-22 19:07:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-22 19:07:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-22 19:07:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-22 19:07:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-22 19:07:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-22 19:07:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-22 19:07:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-22 19:07:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-22 19:07:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-22 19:07:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-22 19:07:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2023-11-22 19:07:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2023-11-22 19:07:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2023-11-22 19:07:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2023-11-22 19:07:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-22 19:07:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-22 19:07:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 19:07:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-22 19:07:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-22 19:07:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 19:07:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-22 19:07:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-22 19:07:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-22 19:07:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-22 19:07:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-22 19:07:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-22 19:07:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-22 19:07:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-22 19:07:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-22 19:07:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-22 19:07:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-22 19:07:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-22 19:07:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-22 19:07:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-22 19:07:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-22 19:07:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-22 19:07:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-22 19:07:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-22 19:07:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-22 19:07:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-22 19:07:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-22 19:07:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2023-11-22 19:07:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2023-11-22 19:07:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 19:07:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-22 19:07:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-22 19:07:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-22 19:07:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-22 19:07:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-22 19:07:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-22 19:07:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-22 19:07:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-22 19:07:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-22 19:07:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-22 19:07:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 19:07:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 19:07:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-22 19:07:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-22 19:07:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2023-11-22 19:07:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2023-11-22 19:07:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-22 19:07:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-22 19:07:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-22 19:07:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-22 19:07:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 19:07:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-22 19:07:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-22 19:07:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-22 19:07:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-22 19:07:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-22 19:07:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-22 19:07:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-22 19:07:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-22 19:07:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-22 19:07:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-22 19:07:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-22 19:07:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-22 19:07:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-22 19:07:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-22 19:07:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-22 19:07:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-22 19:07:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-22 19:07:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-22 19:07:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-22 19:07:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-22 19:07:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-22 19:07:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-22 19:07:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-22 19:07:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-22 19:07:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-22 19:07:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-22 19:07:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-22 19:07:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-22 19:07:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-22 19:07:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-22 19:07:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-22 19:07:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-22 19:07:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-22 19:07:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2023-11-22 19:07:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2023-11-22 19:07:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-22 19:07:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-22 19:07:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-22 19:07:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 19:07:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2023-11-22 19:07:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2023-11-22 19:07:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2023-11-22 19:07:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-22 19:07:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-22 19:07:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-22 19:07:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-22 19:07:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-22 19:07:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2023-11-22 19:07:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2023-11-22 19:07:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2023-11-22 19:07:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2023-11-22 19:07:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2023-11-22 19:07:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-22 19:07:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-22 19:07:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-22 19:07:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-22 19:07:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-22 19:07:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-22 19:07:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-22 19:07:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-22 19:07:13,120 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 19:07:13,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 19:07:13,748 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 19:07:17,426 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-22 19:07:17,472 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 19:07:17,749 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 19:07:17,750 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-22 19:07:17,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:07:17 BoogieIcfgContainer [2023-11-22 19:07:17,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 19:07:17,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 19:07:17,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 19:07:17,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 19:07:17,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:07:09" (1/3) ... [2023-11-22 19:07:17,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218a339f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:07:17, skipping insertion in model container [2023-11-22 19:07:17,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:07:11" (2/3) ... [2023-11-22 19:07:17,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218a339f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:07:17, skipping insertion in model container [2023-11-22 19:07:17,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:07:17" (3/3) ... [2023-11-22 19:07:17,760 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-22 19:07:17,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 19:07:17,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 19:07:17,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 19:07:17,840 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;@79cad6ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 19:07:17,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 19:07:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 1042 states, 642 states have (on average 1.3348909657320873) internal successors, (857), 647 states have internal predecessors, (857), 334 states have call successors, (334), 66 states have call predecessors, (334), 65 states have return successors, (328), 327 states have call predecessors, (328), 328 states have call successors, (328) [2023-11-22 19:07:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-22 19:07:17,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:07:17,875 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:07:17,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:07:17,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:07:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash -787537755, now seen corresponding path program 1 times [2023-11-22 19:07:17,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:07:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542723149] [2023-11-22 19:07:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:07:17,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:07:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:07:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:07:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:07:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:07:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:07:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:07:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:07:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:07:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-22 19:07:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:07:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 19:07:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-22 19:07:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-22 19:07:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-22 19:07:19,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:07:19,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542723149] [2023-11-22 19:07:19,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542723149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:07:19,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:07:19,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 19:07:19,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155588433] [2023-11-22 19:07:19,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:07:19,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 19:07:19,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:07:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 19:07:19,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 19:07:19,299 INFO L87 Difference]: Start difference. First operand has 1042 states, 642 states have (on average 1.3348909657320873) internal successors, (857), 647 states have internal predecessors, (857), 334 states have call successors, (334), 66 states have call predecessors, (334), 65 states have return successors, (328), 327 states have call predecessors, (328), 328 states have call successors, (328) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-22 19:07:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:07:30,756 INFO L93 Difference]: Finished difference Result 2494 states and 3715 transitions. [2023-11-22 19:07:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 19:07:30,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2023-11-22 19:07:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:07:30,788 INFO L225 Difference]: With dead ends: 2494 [2023-11-22 19:07:30,788 INFO L226 Difference]: Without dead ends: 1407 [2023-11-22 19:07:30,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:07:30,810 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 1016 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 1093 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1093 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-22 19:07:30,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2721 Invalid, 3275 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1093 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-11-22 19:07:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2023-11-22 19:07:31,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1387. [2023-11-22 19:07:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 892 states have (on average 1.3318385650224216) internal successors, (1188), 900 states have internal predecessors, (1188), 395 states have call successors, (395), 99 states have call predecessors, (395), 99 states have return successors, (395), 392 states have call predecessors, (395), 395 states have call successors, (395) [2023-11-22 19:07:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1978 transitions. [2023-11-22 19:07:31,022 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1978 transitions. Word has length 141 [2023-11-22 19:07:31,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:07:31,024 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 1978 transitions. [2023-11-22 19:07:31,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-22 19:07:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1978 transitions. [2023-11-22 19:07:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-22 19:07:31,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:07:31,034 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:07:31,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 19:07:31,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:07:31,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:07:31,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1288649012, now seen corresponding path program 1 times [2023-11-22 19:07:31,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:07:31,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757621304] [2023-11-22 19:07:31,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:07:31,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:07:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:07:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:07:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:07:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:07:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:07:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:07:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:07:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:07:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 19:07:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 19:07:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:07:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:07:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 19:07:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 19:07:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:07:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-22 19:07:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 19:07:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-22 19:07:31,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:07:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757621304] [2023-11-22 19:07:31,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757621304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:07:31,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:07:31,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:07:31,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238613790] [2023-11-22 19:07:31,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:07:31,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:07:31,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:07:31,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:07:31,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:07:31,777 INFO L87 Difference]: Start difference. First operand 1387 states and 1978 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-22 19:07:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:07:41,097 INFO L93 Difference]: Finished difference Result 3719 states and 5337 transitions. [2023-11-22 19:07:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 19:07:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 152 [2023-11-22 19:07:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:07:41,106 INFO L225 Difference]: With dead ends: 3719 [2023-11-22 19:07:41,106 INFO L226 Difference]: Without dead ends: 2349 [2023-11-22 19:07:41,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-22 19:07:41,110 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 2322 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 2122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2555 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 4662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2122 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-22 19:07:41,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2555 Valid, 1899 Invalid, 4662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2122 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-22 19:07:41,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2023-11-22 19:07:41,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2321. [2023-11-22 19:07:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 1491 states have (on average 1.3165660630449363) internal successors, (1963), 1504 states have internal predecessors, (1963), 670 states have call successors, (670), 159 states have call predecessors, (670), 159 states have return successors, (673), 662 states have call predecessors, (673), 670 states have call successors, (673) [2023-11-22 19:07:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3306 transitions. [2023-11-22 19:07:41,225 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3306 transitions. Word has length 152 [2023-11-22 19:07:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:07:41,226 INFO L495 AbstractCegarLoop]: Abstraction has 2321 states and 3306 transitions. [2023-11-22 19:07:41,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-22 19:07:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3306 transitions. [2023-11-22 19:07:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-22 19:07:41,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:07:41,228 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:07:41,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 19:07:41,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:07:41,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:07:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash -861514915, now seen corresponding path program 1 times [2023-11-22 19:07:41,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:07:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139379048] [2023-11-22 19:07:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:07:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:07:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:07:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:07:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:07:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:07:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:07:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:07:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:07:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:07:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:07:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 19:07:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-22 19:07:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-22 19:07:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-22 19:07:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 19:07:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-22 19:07:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-22 19:07:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:07:41,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139379048] [2023-11-22 19:07:41,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139379048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:07:41,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:07:41,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 19:07:41,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372935753] [2023-11-22 19:07:41,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:07:41,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 19:07:41,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:07:41,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 19:07:41,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 19:07:41,926 INFO L87 Difference]: Start difference. First operand 2321 states and 3306 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-22 19:07:57,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:07:57,852 INFO L93 Difference]: Finished difference Result 6977 states and 9994 transitions. [2023-11-22 19:07:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 19:07:57,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 159 [2023-11-22 19:07:57,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:07:57,870 INFO L225 Difference]: With dead ends: 6977 [2023-11-22 19:07:57,870 INFO L226 Difference]: Without dead ends: 4673 [2023-11-22 19:07:57,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:07:57,876 INFO L413 NwaCegarLoop]: 1807 mSDtfsCounter, 1553 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 3005 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 3005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-22 19:07:57,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 4138 Invalid, 3901 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [896 Valid, 3005 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2023-11-22 19:07:57,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2023-11-22 19:07:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 4607. [2023-11-22 19:07:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4607 states, 2964 states have (on average 1.3144399460188934) internal successors, (3896), 2990 states have internal predecessors, (3896), 1324 states have call successors, (1324), 318 states have call predecessors, (1324), 318 states have return successors, (1330), 1308 states have call predecessors, (1330), 1324 states have call successors, (1330) [2023-11-22 19:07:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6550 transitions. [2023-11-22 19:07:58,150 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6550 transitions. Word has length 159 [2023-11-22 19:07:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:07:58,151 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6550 transitions. [2023-11-22 19:07:58,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-22 19:07:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6550 transitions. [2023-11-22 19:07:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-22 19:07:58,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:07:58,156 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:07:58,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 19:07:58,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:07:58,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:07:58,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1746249137, now seen corresponding path program 1 times [2023-11-22 19:07:58,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:07:58,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278614396] [2023-11-22 19:07:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:07:58,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:07:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:07:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:07:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:07:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:07:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:07:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:07:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:07:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:07:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:07:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:07:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:07:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:07:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:07:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:07:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:07:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:07:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:07:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:07:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-22 19:07:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-22 19:07:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:07:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 19:07:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:07:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:07:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-22 19:07:58,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:07:58,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278614396] [2023-11-22 19:07:58,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278614396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:07:58,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:07:58,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 19:07:58,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649292603] [2023-11-22 19:07:58,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:07:58,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 19:07:58,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:07:58,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 19:07:58,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 19:07:58,956 INFO L87 Difference]: Start difference. First operand 4607 states and 6550 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-22 19:08:09,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:09,041 INFO L93 Difference]: Finished difference Result 10905 states and 15472 transitions. [2023-11-22 19:08:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 19:08:09,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 207 [2023-11-22 19:08:09,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:09,063 INFO L225 Difference]: With dead ends: 10905 [2023-11-22 19:08:09,063 INFO L226 Difference]: Without dead ends: 6315 [2023-11-22 19:08:09,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:08:09,072 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 1397 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 800 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 3144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 800 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:09,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3011 Invalid, 3144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [800 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-22 19:08:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2023-11-22 19:08:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 6241. [2023-11-22 19:08:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3195470211718365) internal successors, (5360), 4098 states have internal predecessors, (5360), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-22 19:08:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8742 transitions. [2023-11-22 19:08:09,451 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8742 transitions. Word has length 207 [2023-11-22 19:08:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:09,451 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8742 transitions. [2023-11-22 19:08:09,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-22 19:08:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8742 transitions. [2023-11-22 19:08:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-22 19:08:09,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:09,472 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:09,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 19:08:09,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:09,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1870601224, now seen corresponding path program 1 times [2023-11-22 19:08:09,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:09,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332266989] [2023-11-22 19:08:09,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:10,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:10,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332266989] [2023-11-22 19:08:10,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332266989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:10,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:10,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 19:08:10,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301008862] [2023-11-22 19:08:10,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:10,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 19:08:10,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:10,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 19:08:10,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 19:08:10,295 INFO L87 Difference]: Start difference. First operand 6241 states and 8742 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:13,571 INFO L93 Difference]: Finished difference Result 12493 states and 17743 transitions. [2023-11-22 19:08:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 300 [2023-11-22 19:08:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:13,601 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 19:08:13,601 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 19:08:13,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:13,619 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1256 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 2077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:13,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 2116 Invalid, 2077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-22 19:08:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 19:08:14,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 19:08:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3170851797144263) internal successors, (5350), 4098 states have internal predecessors, (5350), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-22 19:08:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8732 transitions. [2023-11-22 19:08:14,107 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8732 transitions. Word has length 300 [2023-11-22 19:08:14,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:14,108 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8732 transitions. [2023-11-22 19:08:14,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:14,109 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8732 transitions. [2023-11-22 19:08:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-22 19:08:14,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:14,113 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:14,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 19:08:14,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:14,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash 357731999, now seen corresponding path program 1 times [2023-11-22 19:08:14,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:14,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628420699] [2023-11-22 19:08:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:14,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:14,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:14,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628420699] [2023-11-22 19:08:14,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628420699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:14,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:14,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:14,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676687880] [2023-11-22 19:08:14,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:14,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:14,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:14,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:14,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:14,909 INFO L87 Difference]: Start difference. First operand 6241 states and 8732 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:18,804 INFO L93 Difference]: Finished difference Result 12493 states and 17723 transitions. [2023-11-22 19:08:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:18,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 301 [2023-11-22 19:08:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:18,830 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 19:08:18,831 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 19:08:18,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:08:18,848 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1766 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:18,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2116 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-22 19:08:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 19:08:19,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 19:08:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.3146233382570163) internal successors, (5340), 4098 states have internal predecessors, (5340), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-22 19:08:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8722 transitions. [2023-11-22 19:08:19,347 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8722 transitions. Word has length 301 [2023-11-22 19:08:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:19,348 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8722 transitions. [2023-11-22 19:08:19,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8722 transitions. [2023-11-22 19:08:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-11-22 19:08:19,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:19,353 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:19,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 19:08:19,353 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:19,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:19,354 INFO L85 PathProgramCache]: Analyzing trace with hash 831101780, now seen corresponding path program 1 times [2023-11-22 19:08:19,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:19,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131461806] [2023-11-22 19:08:19,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:19,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:20,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:20,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131461806] [2023-11-22 19:08:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131461806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:20,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:20,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:20,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987313047] [2023-11-22 19:08:20,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:20,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:20,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:20,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:20,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:20,113 INFO L87 Difference]: Start difference. First operand 6241 states and 8722 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:23,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:23,620 INFO L93 Difference]: Finished difference Result 12493 states and 17703 transitions. [2023-11-22 19:08:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:23,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 302 [2023-11-22 19:08:23,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:23,651 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 19:08:23,651 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 19:08:23,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:08:23,665 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1762 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:23,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2116 Invalid, 3216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-22 19:08:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 19:08:24,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 19:08:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4062 states have (on average 1.312161496799606) internal successors, (5330), 4098 states have internal predecessors, (5330), 1688 states have call successors, (1688), 490 states have call predecessors, (1688), 490 states have return successors, (1694), 1666 states have call predecessors, (1694), 1688 states have call successors, (1694) [2023-11-22 19:08:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8712 transitions. [2023-11-22 19:08:24,060 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8712 transitions. Word has length 302 [2023-11-22 19:08:24,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:24,060 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8712 transitions. [2023-11-22 19:08:24,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8712 transitions. [2023-11-22 19:08:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-11-22 19:08:24,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:24,064 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:24,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 19:08:24,065 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:24,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:24,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1559787589, now seen corresponding path program 1 times [2023-11-22 19:08:24,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:24,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934090390] [2023-11-22 19:08:24,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:24,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:24,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:24,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934090390] [2023-11-22 19:08:24,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934090390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:24,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:24,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252729897] [2023-11-22 19:08:24,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:24,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:24,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:24,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:24,781 INFO L87 Difference]: Start difference. First operand 6241 states and 8712 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:29,901 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 [] [2023-11-22 19:08:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:33,376 INFO L93 Difference]: Finished difference Result 23533 states and 33333 transitions. [2023-11-22 19:08:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 19:08:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 303 [2023-11-22 19:08:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:33,446 INFO L225 Difference]: With dead ends: 23533 [2023-11-22 19:08:33,446 INFO L226 Difference]: Without dead ends: 17309 [2023-11-22 19:08:33,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-22 19:08:33,461 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 4167 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4574 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 6038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2099 IncrementalHoareTripleChecker+Valid, 3939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:33,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4574 Valid, 4397 Invalid, 6038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2099 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-22 19:08:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17309 states. [2023-11-22 19:08:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17309 to 17229. [2023-11-22 19:08:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3114899662582136) internal successors, (14770), 11394 states have internal predecessors, (14770), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:08:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24280 transitions. [2023-11-22 19:08:34,846 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24280 transitions. Word has length 303 [2023-11-22 19:08:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:34,846 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24280 transitions. [2023-11-22 19:08:34,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24280 transitions. [2023-11-22 19:08:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-22 19:08:34,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:34,851 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:34,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 19:08:34,851 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:34,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1746569904, now seen corresponding path program 1 times [2023-11-22 19:08:34,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:34,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448656446] [2023-11-22 19:08:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:34,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:35,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:35,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448656446] [2023-11-22 19:08:35,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448656446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:35,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:35,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413158008] [2023-11-22 19:08:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:35,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:35,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:35,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:35,458 INFO L87 Difference]: Start difference. First operand 17229 states and 24280 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:38,547 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 [] [2023-11-22 19:08:40,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:40,173 INFO L93 Difference]: Finished difference Result 34501 states and 49371 transitions. [2023-11-22 19:08:40,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:40,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 304 [2023-11-22 19:08:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:40,246 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:08:40,246 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:08:40,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:08:40,283 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1757 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:40,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 2116 Invalid, 3214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-22 19:08:40,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:08:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:08:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3091813177055585) internal successors, (14744), 11394 states have internal predecessors, (14744), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:08:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24254 transitions. [2023-11-22 19:08:41,926 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24254 transitions. Word has length 304 [2023-11-22 19:08:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:41,926 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24254 transitions. [2023-11-22 19:08:41,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24254 transitions. [2023-11-22 19:08:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-22 19:08:41,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:41,929 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:41,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-22 19:08:41,930 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:41,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1278953687, now seen corresponding path program 1 times [2023-11-22 19:08:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151331479] [2023-11-22 19:08:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:42,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:42,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151331479] [2023-11-22 19:08:42,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151331479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:42,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:42,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:42,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015351950] [2023-11-22 19:08:42,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:42,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:42,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:42,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:42,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:42,566 INFO L87 Difference]: Start difference. First operand 17229 states and 24254 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:47,017 INFO L93 Difference]: Finished difference Result 34501 states and 49319 transitions. [2023-11-22 19:08:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:47,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 305 [2023-11-22 19:08:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:47,067 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:08:47,067 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:08:47,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:08:47,103 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1753 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:47,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2116 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-22 19:08:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:08:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:08:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3068726691529036) internal successors, (14718), 11394 states have internal predecessors, (14718), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:08:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24228 transitions. [2023-11-22 19:08:48,557 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24228 transitions. Word has length 305 [2023-11-22 19:08:48,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:48,558 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24228 transitions. [2023-11-22 19:08:48,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24228 transitions. [2023-11-22 19:08:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-22 19:08:48,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:48,561 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:48,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-22 19:08:48,562 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:48,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:48,562 INFO L85 PathProgramCache]: Analyzing trace with hash -217730548, now seen corresponding path program 1 times [2023-11-22 19:08:48,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:48,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127835683] [2023-11-22 19:08:48,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:49,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:49,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127835683] [2023-11-22 19:08:49,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127835683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:49,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:49,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758120585] [2023-11-22 19:08:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:49,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:49,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:49,303 INFO L87 Difference]: Start difference. First operand 17229 states and 24228 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:54,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:08:54,005 INFO L93 Difference]: Finished difference Result 34501 states and 49267 transitions. [2023-11-22 19:08:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:08:54,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 306 [2023-11-22 19:08:54,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:08:54,049 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:08:54,049 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:08:54,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:08:54,087 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1749 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-22 19:08:54,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 2116 Invalid, 3210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1649 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-22 19:08:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:08:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:08:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3045640206002487) internal successors, (14692), 11394 states have internal predecessors, (14692), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:08:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24202 transitions. [2023-11-22 19:08:55,761 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24202 transitions. Word has length 306 [2023-11-22 19:08:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:08:55,763 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24202 transitions. [2023-11-22 19:08:55,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:08:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24202 transitions. [2023-11-22 19:08:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-11-22 19:08:55,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:08:55,789 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:08:55,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-22 19:08:55,789 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:08:55,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:08:55,790 INFO L85 PathProgramCache]: Analyzing trace with hash 744215027, now seen corresponding path program 1 times [2023-11-22 19:08:55,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:08:55,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967609922] [2023-11-22 19:08:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:08:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:08:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:08:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:08:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:08:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:08:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:08:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:08:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:08:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:08:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:08:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:08:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:08:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:08:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:08:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:08:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:08:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:08:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:08:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:08:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:08:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:08:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:08:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:08:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:08:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:08:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:08:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:08:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:08:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:08:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:08:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:08:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:08:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:08:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:08:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:08:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:08:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:08:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:08:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:08:56,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:08:56,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967609922] [2023-11-22 19:08:56,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967609922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:08:56,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:08:56,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:08:56,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506029531] [2023-11-22 19:08:56,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:08:56,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:08:56,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:08:56,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:08:56,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:08:56,552 INFO L87 Difference]: Start difference. First operand 17229 states and 24202 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:01,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:01,381 INFO L93 Difference]: Finished difference Result 34501 states and 49215 transitions. [2023-11-22 19:09:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:09:01,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 307 [2023-11-22 19:09:01,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:01,439 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:09:01,439 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:09:01,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:09:01,475 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1745 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:01,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 2116 Invalid, 3208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-22 19:09:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:09:03,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:09:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.3022553720475938) internal successors, (14666), 11394 states have internal predecessors, (14666), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:09:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24176 transitions. [2023-11-22 19:09:03,226 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24176 transitions. Word has length 307 [2023-11-22 19:09:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:03,227 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24176 transitions. [2023-11-22 19:09:03,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24176 transitions. [2023-11-22 19:09:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-11-22 19:09:03,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:03,231 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:03,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-22 19:09:03,231 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:03,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:03,231 INFO L85 PathProgramCache]: Analyzing trace with hash 614273384, now seen corresponding path program 1 times [2023-11-22 19:09:03,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:03,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203464189] [2023-11-22 19:09:03,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:03,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:09:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:09:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:09:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:09:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:09:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:09:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:09:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:09:03,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:03,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203464189] [2023-11-22 19:09:03,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203464189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:03,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:03,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:09:03,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534576696] [2023-11-22 19:09:03,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:03,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:09:03,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:03,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:09:03,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:09:03,800 INFO L87 Difference]: Start difference. First operand 17229 states and 24176 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:08,718 INFO L93 Difference]: Finished difference Result 34501 states and 49163 transitions. [2023-11-22 19:09:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:09:08,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 308 [2023-11-22 19:09:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:08,754 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:09:08,754 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:09:08,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:09:08,779 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1741 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:08,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2116 Invalid, 3206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1645 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-22 19:09:08,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:09:10,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:09:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.2999467234949387) internal successors, (14640), 11394 states have internal predecessors, (14640), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:09:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24150 transitions. [2023-11-22 19:09:10,332 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24150 transitions. Word has length 308 [2023-11-22 19:09:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:10,332 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24150 transitions. [2023-11-22 19:09:10,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24150 transitions. [2023-11-22 19:09:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-11-22 19:09:10,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:10,335 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:10,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-22 19:09:10,336 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:10,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:10,336 INFO L85 PathProgramCache]: Analyzing trace with hash 995566351, now seen corresponding path program 1 times [2023-11-22 19:09:10,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:10,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273786432] [2023-11-22 19:09:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:10,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:09:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:09:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:09:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:09:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:09:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:09:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:09:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:09:10,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:10,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273786432] [2023-11-22 19:09:10,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273786432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:10,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:10,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:09:10,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086444567] [2023-11-22 19:09:10,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:10,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:09:10,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:10,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:09:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:09:10,902 INFO L87 Difference]: Start difference. First operand 17229 states and 24150 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:15,441 INFO L93 Difference]: Finished difference Result 34501 states and 49111 transitions. [2023-11-22 19:09:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:09:15,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 309 [2023-11-22 19:09:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:15,488 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:09:15,488 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:09:15,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:09:15,522 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1737 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:15,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 2116 Invalid, 3204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1643 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-22 19:09:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:09:17,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:09:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.2976380749422838) internal successors, (14614), 11394 states have internal predecessors, (14614), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:09:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24124 transitions. [2023-11-22 19:09:17,389 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24124 transitions. Word has length 309 [2023-11-22 19:09:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:17,390 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24124 transitions. [2023-11-22 19:09:17,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24124 transitions. [2023-11-22 19:09:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-11-22 19:09:17,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:17,393 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:17,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-22 19:09:17,394 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:17,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:17,394 INFO L85 PathProgramCache]: Analyzing trace with hash 45263044, now seen corresponding path program 1 times [2023-11-22 19:09:17,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:17,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066799321] [2023-11-22 19:09:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:09:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:09:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:09:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:09:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:09:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:09:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:09:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:09:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066799321] [2023-11-22 19:09:17,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066799321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:17,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:17,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:09:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580618193] [2023-11-22 19:09:17,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:17,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:09:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:17,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:09:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:09:17,923 INFO L87 Difference]: Start difference. First operand 17229 states and 24124 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:22,395 INFO L93 Difference]: Finished difference Result 34501 states and 49059 transitions. [2023-11-22 19:09:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:09:22,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 310 [2023-11-22 19:09:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:22,435 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:09:22,435 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:09:22,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:09:22,466 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1733 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:22,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 2116 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 19:09:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:09:24,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:09:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.295329426389629) internal successors, (14588), 11394 states have internal predecessors, (14588), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:09:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24098 transitions. [2023-11-22 19:09:24,183 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24098 transitions. Word has length 310 [2023-11-22 19:09:24,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:24,183 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24098 transitions. [2023-11-22 19:09:24,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24098 transitions. [2023-11-22 19:09:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-22 19:09:24,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:24,188 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:24,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-22 19:09:24,188 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:24,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:24,189 INFO L85 PathProgramCache]: Analyzing trace with hash 765148203, now seen corresponding path program 1 times [2023-11-22 19:09:24,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:24,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543903265] [2023-11-22 19:09:24,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:09:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:09:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:09:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:09:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:09:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:09:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:09:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:09:24,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:24,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543903265] [2023-11-22 19:09:24,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543903265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:24,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:24,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:09:24,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480539464] [2023-11-22 19:09:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:24,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:09:24,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:24,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:09:24,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:09:24,803 INFO L87 Difference]: Start difference. First operand 17229 states and 24098 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:29,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:29,443 INFO L93 Difference]: Finished difference Result 34501 states and 49007 transitions. [2023-11-22 19:09:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 19:09:29,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 311 [2023-11-22 19:09:29,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:29,491 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 19:09:29,491 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 19:09:29,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:09:29,538 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1729 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 3200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:29,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 2116 Invalid, 3200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-22 19:09:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 19:09:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 19:09:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17229 states, 11262 states have (on average 1.293020777836974) internal successors, (14562), 11394 states have internal predecessors, (14562), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1334 states have return successors, (4878), 4518 states have call predecessors, (4878), 4632 states have call successors, (4878) [2023-11-22 19:09:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24072 transitions. [2023-11-22 19:09:31,465 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24072 transitions. Word has length 311 [2023-11-22 19:09:31,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:31,466 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24072 transitions. [2023-11-22 19:09:31,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-22 19:09:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24072 transitions. [2023-11-22 19:09:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-22 19:09:31,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:31,470 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:31,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-22 19:09:31,470 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:31,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:31,470 INFO L85 PathProgramCache]: Analyzing trace with hash 793777354, now seen corresponding path program 1 times [2023-11-22 19:09:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:31,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095320429] [2023-11-22 19:09:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 19:09:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 19:09:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 19:09:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 19:09:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 19:09:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 19:09:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 19:09:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 19:09:32,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:32,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095320429] [2023-11-22 19:09:32,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095320429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:32,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:32,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:09:32,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050858193] [2023-11-22 19:09:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:32,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:09:32,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:32,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:09:32,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:09:32,090 INFO L87 Difference]: Start difference. First operand 17229 states and 24072 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-22 19:09:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:36,392 INFO L93 Difference]: Finished difference Result 17331 states and 24311 transitions. [2023-11-22 19:09:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 19:09:36,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 311 [2023-11-22 19:09:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:36,431 INFO L225 Difference]: With dead ends: 17331 [2023-11-22 19:09:36,432 INFO L226 Difference]: Without dead ends: 17329 [2023-11-22 19:09:36,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:09:36,439 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 231 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:36,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 4177 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 19:09:36,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17329 states. [2023-11-22 19:09:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17329 to 17269. [2023-11-22 19:09:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17269 states, 11292 states have (on average 1.2908253630889126) internal successors, (14576), 11424 states have internal predecessors, (14576), 4632 states have call successors, (4632), 1346 states have call predecessors, (4632), 1344 states have return successors, (4888), 4528 states have call predecessors, (4888), 4632 states have call successors, (4888) [2023-11-22 19:09:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 24096 transitions. [2023-11-22 19:09:37,990 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 24096 transitions. Word has length 311 [2023-11-22 19:09:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:37,991 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 24096 transitions. [2023-11-22 19:09:37,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-11-22 19:09:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 24096 transitions. [2023-11-22 19:09:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-11-22 19:09:37,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:37,998 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:37,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-22 19:09:37,998 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:37,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:37,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1632199785, now seen corresponding path program 1 times [2023-11-22 19:09:37,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:37,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905940761] [2023-11-22 19:09:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 19:09:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 19:09:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 19:09:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 19:09:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-22 19:09:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 19:09:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-22 19:09:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:09:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:09:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-22 19:09:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-22 19:09:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:09:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:09:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-22 19:09:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-22 19:09:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-22 19:09:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-22 19:09:38,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:38,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905940761] [2023-11-22 19:09:38,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905940761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:38,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:38,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 19:09:38,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090234294] [2023-11-22 19:09:38,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:38,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 19:09:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:38,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 19:09:38,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:09:38,796 INFO L87 Difference]: Start difference. First operand 17269 states and 24096 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-22 19:09:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:09:53,188 INFO L93 Difference]: Finished difference Result 36693 states and 51374 transitions. [2023-11-22 19:09:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 19:09:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 366 [2023-11-22 19:09:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:09:53,243 INFO L225 Difference]: With dead ends: 36693 [2023-11-22 19:09:53,243 INFO L226 Difference]: Without dead ends: 19441 [2023-11-22 19:09:53,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-22 19:09:53,283 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1572 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 3633 mSolverCounterSat, 1592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 5225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1592 IncrementalHoareTripleChecker+Valid, 3633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-22 19:09:53,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 2440 Invalid, 5225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1592 Valid, 3633 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-22 19:09:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19441 states. [2023-11-22 19:09:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19441 to 19243. [2023-11-22 19:09:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19243 states, 12660 states have (on average 1.2992101105845182) internal successors, (16448), 12830 states have internal predecessors, (16448), 5062 states have call successors, (5062), 1516 states have call predecessors, (5062), 1520 states have return successors, (5352), 4934 states have call predecessors, (5352), 5062 states have call successors, (5352) [2023-11-22 19:09:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19243 states to 19243 states and 26862 transitions. [2023-11-22 19:09:55,229 INFO L78 Accepts]: Start accepts. Automaton has 19243 states and 26862 transitions. Word has length 366 [2023-11-22 19:09:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:09:55,229 INFO L495 AbstractCegarLoop]: Abstraction has 19243 states and 26862 transitions. [2023-11-22 19:09:55,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-22 19:09:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19243 states and 26862 transitions. [2023-11-22 19:09:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-11-22 19:09:55,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:09:55,236 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:09:55,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-22 19:09:55,236 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:09:55,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:09:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1970213615, now seen corresponding path program 1 times [2023-11-22 19:09:55,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:09:55,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731436322] [2023-11-22 19:09:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:09:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:09:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:09:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:09:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:09:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:09:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:09:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:09:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:09:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:09:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:09:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:09:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:09:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:09:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:09:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:09:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:09:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:09:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:09:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:09:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:09:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:09:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:09:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:09:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:09:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:09:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:09:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:09:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:09:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:09:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 19:09:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 19:09:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 19:09:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 19:09:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 19:09:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-22 19:09:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-22 19:09:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:09:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:09:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-22 19:09:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-22 19:09:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:09:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:09:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:09:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-22 19:09:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-22 19:09:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-22 19:09:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:09:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-22 19:09:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:09:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731436322] [2023-11-22 19:09:56,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731436322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:09:56,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:09:56,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 19:09:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840779897] [2023-11-22 19:09:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:09:56,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 19:09:56,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:09:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 19:09:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:09:56,045 INFO L87 Difference]: Start difference. First operand 19243 states and 26862 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-22 19:10:11,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:10:11,277 INFO L93 Difference]: Finished difference Result 40701 states and 57054 transitions. [2023-11-22 19:10:11,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 19:10:11,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 373 [2023-11-22 19:10:11,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:10:11,330 INFO L225 Difference]: With dead ends: 40701 [2023-11-22 19:10:11,330 INFO L226 Difference]: Without dead ends: 21475 [2023-11-22 19:10:11,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-22 19:10:11,369 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 1422 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 3966 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 2637 SdHoareTripleChecker+Invalid, 5404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 3966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-22 19:10:11,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 2637 Invalid, 5404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 3966 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-11-22 19:10:11,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21475 states. [2023-11-22 19:10:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21475 to 21273. [2023-11-22 19:10:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21273 states, 14104 states have (on average 1.3043108338060125) internal successors, (18396), 14304 states have internal predecessors, (18396), 5492 states have call successors, (5492), 1674 states have call predecessors, (5492), 1676 states have return successors, (5784), 5340 states have call predecessors, (5784), 5492 states have call successors, (5784) [2023-11-22 19:10:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21273 states to 21273 states and 29672 transitions. [2023-11-22 19:10:13,512 INFO L78 Accepts]: Start accepts. Automaton has 21273 states and 29672 transitions. Word has length 373 [2023-11-22 19:10:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:10:13,512 INFO L495 AbstractCegarLoop]: Abstraction has 21273 states and 29672 transitions. [2023-11-22 19:10:13,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-22 19:10:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21273 states and 29672 transitions. [2023-11-22 19:10:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-22 19:10:13,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:10:13,520 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:10:13,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-22 19:10:13,520 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:10:13,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:10:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash -660542558, now seen corresponding path program 1 times [2023-11-22 19:10:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:10:13,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284133497] [2023-11-22 19:10:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:10:13,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:10:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:10:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:10:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:10:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:10:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:10:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:10:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:10:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:10:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:10:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:10:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:10:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:10:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:10:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:10:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:10:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:10:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:10:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:10:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:10:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:10:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:10:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:10:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:10:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:10:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:10:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:10:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 19:10:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 19:10:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 19:10:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 19:10:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-22 19:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 19:10:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-22 19:10:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-22 19:10:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-22 19:10:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-11-22 19:10:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:10:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:10:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-11-22 19:10:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-11-22 19:10:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:10:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:10:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-22 19:10:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-11-22 19:10:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-22 19:10:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-22 19:10:14,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:10:14,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284133497] [2023-11-22 19:10:14,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284133497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:10:14,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:10:14,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 19:10:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534421771] [2023-11-22 19:10:14,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:10:14,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 19:10:14,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:10:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 19:10:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:10:14,305 INFO L87 Difference]: Start difference. First operand 21273 states and 29672 transitions. Second operand has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-22 19:10:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:10:35,013 INFO L93 Difference]: Finished difference Result 53653 states and 76144 transitions. [2023-11-22 19:10:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-22 19:10:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 403 [2023-11-22 19:10:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:10:35,099 INFO L225 Difference]: With dead ends: 53653 [2023-11-22 19:10:35,099 INFO L226 Difference]: Without dead ends: 32397 [2023-11-22 19:10:35,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-22 19:10:35,145 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 1978 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 6026 mSolverCounterSat, 1736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 4601 SdHoareTripleChecker+Invalid, 7762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 6026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-11-22 19:10:35,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 4601 Invalid, 7762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 6026 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2023-11-22 19:10:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32397 states. [2023-11-22 19:10:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32397 to 24489. [2023-11-22 19:10:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24489 states, 16180 states have (on average 1.3023485784919653) internal successors, (21072), 16416 states have internal predecessors, (21072), 6264 states have call successors, (6264), 2044 states have call predecessors, (6264), 2044 states have return successors, (6564), 6082 states have call predecessors, (6564), 6264 states have call successors, (6564) [2023-11-22 19:10:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24489 states to 24489 states and 33900 transitions. [2023-11-22 19:10:37,760 INFO L78 Accepts]: Start accepts. Automaton has 24489 states and 33900 transitions. Word has length 403 [2023-11-22 19:10:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:10:37,761 INFO L495 AbstractCegarLoop]: Abstraction has 24489 states and 33900 transitions. [2023-11-22 19:10:37,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-22 19:10:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 24489 states and 33900 transitions. [2023-11-22 19:10:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2023-11-22 19:10:37,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:10:37,768 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:10:37,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-22 19:10:37,768 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:10:37,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:10:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 313913928, now seen corresponding path program 1 times [2023-11-22 19:10:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:10:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152941644] [2023-11-22 19:10:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:10:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:10:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:10:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:10:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:10:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:10:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:10:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:10:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:10:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:10:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:10:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:10:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:10:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:10:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:10:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:10:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:10:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:10:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:10:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:10:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:10:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:10:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:10:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:10:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:10:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:10:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:10:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:10:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:10:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:10:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 19:10:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 19:10:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 19:10:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 19:10:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-22 19:10:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 19:10:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-22 19:10:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-11-22 19:10:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-22 19:10:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-22 19:10:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:10:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:10:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-22 19:10:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-11-22 19:10:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:10:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:10:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:10:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-22 19:10:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-22 19:10:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-22 19:10:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:10:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-22 19:10:38,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:10:38,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152941644] [2023-11-22 19:10:38,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152941644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:10:38,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:10:38,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 19:10:38,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652413947] [2023-11-22 19:10:38,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:10:38,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 19:10:38,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:10:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 19:10:38,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:10:38,605 INFO L87 Difference]: Start difference. First operand 24489 states and 33900 transitions. Second operand has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-22 19:10:43,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:11:01,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:11:01,134 INFO L93 Difference]: Finished difference Result 60377 states and 85730 transitions. [2023-11-22 19:11:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-22 19:11:01,134 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 397 [2023-11-22 19:11:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:11:01,225 INFO L225 Difference]: With dead ends: 60377 [2023-11-22 19:11:01,225 INFO L226 Difference]: Without dead ends: 35905 [2023-11-22 19:11:01,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-22 19:11:01,272 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 1892 mSDsluCounter, 3484 mSDsCounter, 0 mSdLazyCounter, 6024 mSolverCounterSat, 1555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 4812 SdHoareTripleChecker+Invalid, 7579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1555 IncrementalHoareTripleChecker+Valid, 6024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-22 19:11:01,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 4812 Invalid, 7579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1555 Valid, 6024 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2023-11-22 19:11:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35905 states. [2023-11-22 19:11:04,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35905 to 26471. [2023-11-22 19:11:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26471 states, 17576 states have (on average 1.3070095584888484) internal successors, (22972), 17842 states have internal predecessors, (22972), 6694 states have call successors, (6694), 2202 states have call predecessors, (6694), 2200 states have return successors, (6996), 6488 states have call predecessors, (6996), 6694 states have call successors, (6996) [2023-11-22 19:11:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26471 states to 26471 states and 36662 transitions. [2023-11-22 19:11:04,233 INFO L78 Accepts]: Start accepts. Automaton has 26471 states and 36662 transitions. Word has length 397 [2023-11-22 19:11:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:11:04,234 INFO L495 AbstractCegarLoop]: Abstraction has 26471 states and 36662 transitions. [2023-11-22 19:11:04,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-22 19:11:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 26471 states and 36662 transitions. [2023-11-22 19:11:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-11-22 19:11:04,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:11:04,242 INFO L195 NwaCegarLoop]: trace histogram [19, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 19:11:04,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-22 19:11:04,242 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:11:04,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:11:04,243 INFO L85 PathProgramCache]: Analyzing trace with hash 185975086, now seen corresponding path program 1 times [2023-11-22 19:11:04,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:11:04,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778945085] [2023-11-22 19:11:04,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:11:04,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:11:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 19:11:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 19:11:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 19:11:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 19:11:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 19:11:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 19:11:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:11:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 19:11:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 19:11:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 19:11:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 19:11:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:11:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 19:11:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 19:11:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:11:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 19:11:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 19:11:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 19:11:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:11:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:11:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 19:11:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:11:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:11:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 19:11:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:11:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 19:11:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 19:11:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 19:11:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 19:11:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 19:11:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 19:11:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 19:11:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 19:11:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 19:11:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 19:11:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 19:11:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-22 19:11:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 19:11:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-22 19:11:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-22 19:11:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-11-22 19:11:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-22 19:11:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:11:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:11:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-22 19:11:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-22 19:11:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:11:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 19:11:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 19:11:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-22 19:11:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-22 19:11:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-22 19:11:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:11:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-22 19:11:05,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:11:05,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778945085] [2023-11-22 19:11:05,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778945085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:11:05,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:11:05,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 19:11:05,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882863835] [2023-11-22 19:11:05,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:11:05,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 19:11:05,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:11:05,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 19:11:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:11:05,532 INFO L87 Difference]: Start difference. First operand 26471 states and 36662 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 4 states have internal predecessors, (153), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Killed by 15