./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-todo/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 22:41:00,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 22:41:00,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 22:41:00,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 22:41:00,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 22:41:00,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 22:41:00,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 22:41:00,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 22:41:00,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 22:41:00,989 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 22:41:00,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 22:41:00,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 22:41:00,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 22:41:00,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 22:41:00,990 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 22:41:00,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 22:41:00,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 22:41:00,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 22:41:00,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 22:41:00,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 22:41:00,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 22:41:00,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 22:41:00,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 22:41:00,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 22:41:00,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 22:41:00,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 22:41:00,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 22:41:00,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 22:41:00,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 22:41:00,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 22:41:00,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 22:41:00,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 22:41:00,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 22:41:00,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 22:41:00,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 22:41:00,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 22:41:00,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 22:41:00,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 22:41:00,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 22:41:00,996 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-22 22:41:01,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 22:41:01,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 22:41:01,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 22:41:01,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 22:41:01,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 22:41:01,256 INFO L431 ainManager$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 22:41:02,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 22:41:02,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 22:41:02,679 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 22:41:02,723 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc41638b6/0624169346364cada81e7375698f9141/FLAG7391e40bf [2023-11-22 22:41:02,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc41638b6/0624169346364cada81e7375698f9141 [2023-11-22 22:41:02,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 22:41:02,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 22:41:02,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 22:41:02,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 22:41:02,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 22:41:02,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:02" (1/1) ... [2023-11-22 22:41:02,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f39bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:02, skipping insertion in model container [2023-11-22 22:41:02,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:02" (1/1) ... [2023-11-22 22:41:02,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 22:41:04,429 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 22:41:04,432 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 22:41:04,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 22:41:04,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 22:41:04,577 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 22:41:04,578 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 22:41:04,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5450] [2023-11-22 22:41:04,579 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 22:41:04,579 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 22:41:04,580 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 22:41:04,580 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 22:41:04,702 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 22:41:04,702 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 22:41:04,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 22:41:04,826 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 22:41:04,827 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 22:41:04,832 INFO L206 MainTranslator]: Completed translation [2023-11-22 22:41:04,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04 WrapperNode [2023-11-22 22:41:04,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 22:41:04,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 22:41:04,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 22:41:04,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 22:41:04,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:04,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,037 INFO L138 Inliner]: procedures = 391, calls = 2682, calls flagged for inlining = 191, calls inlined = 156, statements flattened = 4519 [2023-11-22 22:41:05,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 22:41:05,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 22:41:05,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 22:41:05,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 22:41:05,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,075 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,545 INFO L189 HeapSplitter]: Split 1325 memory accesses to 20 slices as follows [7, 7, 7, 1, 63, 862, 0, 7, 2, 7, 112, 51, 7, 0, 3, 63, 2, 112, 5, 7] [2023-11-22 22:41:05,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 22:41:05,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 22:41:05,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 22:41:05,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 22:41:05,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (1/1) ... [2023-11-22 22:41:05,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 22:41:05,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 22:41:05,754 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 22:41:05,811 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 22:41:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2023-11-22 22:41:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2023-11-22 22:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 22:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 22:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-22 22:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-22 22:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 22:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 22:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2023-11-22 22:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2023-11-22 22:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2023-11-22 22:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2023-11-22 22:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-22 22:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-22 22:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-22 22:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-22 22:41:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-22 22:41:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2023-11-22 22:41:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2023-11-22 22:41:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-22 22:41:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-22 22:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-22 22:41:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-22 22:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 22:41:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 22:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-22 22:41:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-22 22:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-22 22:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-22 22:41:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2023-11-22 22:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2023-11-22 22:41:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2023-11-22 22:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-22 22:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-22 22:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-22 22:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-22 22:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-22 22:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-22 22:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-22 22:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-22 22:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-22 22:41:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-22 22:41:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-22 22:41:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-22 22:41:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-22 22:41:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-22 22:41:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-22 22:41:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-22 22:41:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-22 22:41:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-22 22:41:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-22 22:41:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-22 22:41:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-22 22:41:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-22 22:41:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-22 22:41:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-22 22:41:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-22 22:41:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-22 22:41:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-22 22:41:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-22 22:41:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-22 22:41:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-22 22:41:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-22 22:41:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-22 22:41:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-22 22:41:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-22 22:41:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-22 22:41:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-22 22:41:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-22 22:41:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-22 22:41:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-22 22:41:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-22 22:41:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-22 22:41:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-22 22:41:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-22 22:41:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-22 22:41:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-22 22:41:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-22 22:41:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-22 22:41:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-22 22:41:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-22 22:41:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-22 22:41:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2023-11-22 22:41:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2023-11-22 22:41:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2023-11-22 22:41:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2023-11-22 22:41:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-22 22:41:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-22 22:41:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 22:41:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-22 22:41:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-22 22:41:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-22 22:41:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-22 22:41:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-22 22:41:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-22 22:41:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-22 22:41:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-22 22:41:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-22 22:41:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-22 22:41:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-22 22:41:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-22 22:41:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-22 22:41:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-22 22:41:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-22 22:41:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-22 22:41:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-22 22:41:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-22 22:41:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-22 22:41:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-22 22:41:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-22 22:41:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2023-11-22 22:41:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2023-11-22 22:41:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 22:41:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 22:41:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-22 22:41:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2023-11-22 22:41:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-22 22:41:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-22 22:41:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-22 22:41:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-22 22:41:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-22 22:41:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 22:41:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-22 22:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2023-11-22 22:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-22 22:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-22 22:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 22:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-22 22:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-22 22:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-22 22:41:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-22 22:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-22 22:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-22 22:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-22 22:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-22 22:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-22 22:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-22 22:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-22 22:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-22 22:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-22 22:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-22 22:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-22 22:41:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-22 22:41:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-22 22:41:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-22 22:41:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-22 22:41:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2023-11-22 22:41:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-22 22:41:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-22 22:41:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-22 22:41:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 22:41:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2023-11-22 22:41:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2023-11-22 22:41:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-22 22:41:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-22 22:41:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-22 22:41:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2023-11-22 22:41:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2023-11-22 22:41:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2023-11-22 22:41:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 22:41:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-22 22:41:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-22 22:41:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-22 22:41:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-22 22:41:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-22 22:41:06,557 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 22:41:06,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 22:41:07,132 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 22:41:10,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-22 22:41:10,563 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 22:41:10,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 22:41:10,802 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-22 22:41:10,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:10 BoogieIcfgContainer [2023-11-22 22:41:10,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 22:41:10,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 22:41:10,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 22:41:10,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 22:41:10,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:41:02" (1/3) ... [2023-11-22 22:41:10,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ad28e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:41:10, skipping insertion in model container [2023-11-22 22:41:10,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:04" (2/3) ... [2023-11-22 22:41:10,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ad28e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:41:10, skipping insertion in model container [2023-11-22 22:41:10,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:10" (3/3) ... [2023-11-22 22:41:10,809 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2023-11-22 22:41:10,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 22:41:10,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 22:41:10,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 22:41:10,875 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;@1bb4c02e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 22:41:10,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 22:41:10,882 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 22:41:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-22 22:41:10,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:41:10,900 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 22:41:10,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:41:10,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:41:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash -787537755, now seen corresponding path program 1 times [2023-11-22 22:41:10,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:41:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112670717] [2023-11-22 22:41:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:41:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:41:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:41:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:41:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:41:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:41:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:41:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:41:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:41:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:41:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-22 22:41:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:41:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 22:41:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-22 22:41:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-22 22:41:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:12,256 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 22:41:12,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:41:12,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112670717] [2023-11-22 22:41:12,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112670717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:41:12,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:41:12,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 22:41:12,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217482281] [2023-11-22 22:41:12,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:41:12,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 22:41:12,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:41:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 22:41:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 22:41:12,286 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 22:41:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:41:24,223 INFO L93 Difference]: Finished difference Result 2494 states and 3715 transitions. [2023-11-22 22:41:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 22:41:24,225 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 22:41:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:41:24,259 INFO L225 Difference]: With dead ends: 2494 [2023-11-22 22:41:24,259 INFO L226 Difference]: Without dead ends: 1407 [2023-11-22 22:41:24,277 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 22:41:24,280 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 1016 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 1093 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s 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, 10.7s IncrementalHoareTripleChecker+Time [2023-11-22 22:41:24,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2721 Invalid, 3275 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1093 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2023-11-22 22:41:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2023-11-22 22:41:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1387. [2023-11-22 22:41:24,440 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 22:41:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1978 transitions. [2023-11-22 22:41:24,451 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1978 transitions. Word has length 141 [2023-11-22 22:41:24,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:41:24,454 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 1978 transitions. [2023-11-22 22:41:24,454 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 22:41:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1978 transitions. [2023-11-22 22:41:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-22 22:41:24,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:41:24,464 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 22:41:24,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 22:41:24,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:41:24,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:41:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1288649012, now seen corresponding path program 1 times [2023-11-22 22:41:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:41:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951920143] [2023-11-22 22:41:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:41:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:41:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:41:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:41:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:41:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:41:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:41:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:41:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:41:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:41:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 22:41:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 22:41:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:41:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:41:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 22:41:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 22:41:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:41:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-22 22:41:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-22 22:41:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:25,150 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 22:41:25,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:41:25,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951920143] [2023-11-22 22:41:25,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951920143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:41:25,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:41:25,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:41:25,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578712994] [2023-11-22 22:41:25,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:41:25,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:41:25,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:41:25,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:41:25,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:41:25,157 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 22:41:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:41:34,713 INFO L93 Difference]: Finished difference Result 3719 states and 5337 transitions. [2023-11-22 22:41:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 22:41:34,713 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 22:41:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:41:34,723 INFO L225 Difference]: With dead ends: 3719 [2023-11-22 22:41:34,723 INFO L226 Difference]: Without dead ends: 2349 [2023-11-22 22:41:34,726 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 22:41:34,727 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 2322 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 2122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.3s IncrementalHoareTripleChecker+Time [2023-11-22 22:41:34,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2555 Valid, 1899 Invalid, 4662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2122 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-22 22:41:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2023-11-22 22:41:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2321. [2023-11-22 22:41:34,837 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 22:41:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3306 transitions. [2023-11-22 22:41:34,846 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3306 transitions. Word has length 152 [2023-11-22 22:41:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:41:34,847 INFO L495 AbstractCegarLoop]: Abstraction has 2321 states and 3306 transitions. [2023-11-22 22:41:34,847 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 22:41:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3306 transitions. [2023-11-22 22:41:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-22 22:41:34,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:41:34,853 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 22:41:34,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 22:41:34,854 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:41:34,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:41:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash -861514915, now seen corresponding path program 1 times [2023-11-22 22:41:34,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:41:34,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832514793] [2023-11-22 22:41:34,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:41:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:41:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:41:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:41:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:41:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:41:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:41:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:41:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:41:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:41:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:41:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-22 22:41:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-22 22:41:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-22 22:41:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-22 22:41:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 22:41:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-22 22:41:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:35,706 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 22:41:35,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:41:35,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832514793] [2023-11-22 22:41:35,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832514793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:41:35,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:41:35,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 22:41:35,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034653879] [2023-11-22 22:41:35,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:41:35,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 22:41:35,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:41:35,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 22:41:35,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 22:41:35,709 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 22:41:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:41:52,560 INFO L93 Difference]: Finished difference Result 6977 states and 9994 transitions. [2023-11-22 22:41:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 22:41:52,561 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 22:41:52,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:41:52,576 INFO L225 Difference]: With dead ends: 6977 [2023-11-22 22:41:52,576 INFO L226 Difference]: Without dead ends: 4673 [2023-11-22 22:41:52,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 22:41:52,583 INFO L413 NwaCegarLoop]: 1807 mSDtfsCounter, 1553 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 3005 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 3005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-11-22 22:41:52,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 4138 Invalid, 3901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 3005 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2023-11-22 22:41:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2023-11-22 22:41:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 4607. [2023-11-22 22:41:52,872 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 22:41:52,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6550 transitions. [2023-11-22 22:41:52,888 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6550 transitions. Word has length 159 [2023-11-22 22:41:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:41:52,889 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6550 transitions. [2023-11-22 22:41:52,889 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 22:41:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6550 transitions. [2023-11-22 22:41:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-22 22:41:52,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:41:52,892 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 22:41:52,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 22:41:52,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:41:52,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:41:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1746249137, now seen corresponding path program 1 times [2023-11-22 22:41:52,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:41:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669507999] [2023-11-22 22:41:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:41:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:41:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:41:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:41:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:41:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:41:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:41:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:41:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:41:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:41:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:41:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:41:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:41:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:41:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:41:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:41:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:41:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:41:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:41:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:41:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-22 22:41:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-22 22:41:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:41:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-22 22:41:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:41:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:41:53,628 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 22:41:53,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:41:53,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669507999] [2023-11-22 22:41:53,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669507999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:41:53,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:41:53,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 22:41:53,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474615546] [2023-11-22 22:41:53,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:41:53,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 22:41:53,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:41:53,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 22:41:53,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 22:41:53,631 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 22:42:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:04,610 INFO L93 Difference]: Finished difference Result 10905 states and 15472 transitions. [2023-11-22 22:42:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 22:42:04,611 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 22:42:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:04,636 INFO L225 Difference]: With dead ends: 10905 [2023-11-22 22:42:04,636 INFO L226 Difference]: Without dead ends: 6315 [2023-11-22 22:42:04,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 22:42:04,652 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 1397 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 800 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s 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, 9.7s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:04,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 3011 Invalid, 3144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [800 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-22 22:42:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2023-11-22 22:42:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 6241. [2023-11-22 22:42:05,066 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 22:42:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8742 transitions. [2023-11-22 22:42:05,088 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8742 transitions. Word has length 207 [2023-11-22 22:42:05,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:05,089 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8742 transitions. [2023-11-22 22:42:05,090 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 22:42:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8742 transitions. [2023-11-22 22:42:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-22 22:42:05,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:05,094 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 22:42:05,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 22:42:05,095 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:05,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1870601224, now seen corresponding path program 1 times [2023-11-22 22:42:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:05,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457756348] [2023-11-22 22:42:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:05,789 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 22:42:05,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:05,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457756348] [2023-11-22 22:42:05,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457756348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:05,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:05,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 22:42:05,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682333322] [2023-11-22 22:42:05,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:05,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 22:42:05,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:05,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 22:42:05,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 22:42:05,791 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 22:42:08,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:08,683 INFO L93 Difference]: Finished difference Result 12493 states and 17743 transitions. [2023-11-22 22:42:08,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:08,683 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 22:42:08,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:08,706 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 22:42:08,707 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 22:42:08,724 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 22:42:08,725 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1256 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.5s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:08,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 2116 Invalid, 2077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-22 22:42:08,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 22:42:09,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 22:42:09,137 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 22:42:09,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8732 transitions. [2023-11-22 22:42:09,154 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8732 transitions. Word has length 300 [2023-11-22 22:42:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:09,156 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8732 transitions. [2023-11-22 22:42:09,157 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 22:42:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8732 transitions. [2023-11-22 22:42:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-22 22:42:09,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:09,161 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 22:42:09,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 22:42:09,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:09,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:09,161 INFO L85 PathProgramCache]: Analyzing trace with hash 357731999, now seen corresponding path program 1 times [2023-11-22 22:42:09,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:09,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459274039] [2023-11-22 22:42:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:09,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:09,930 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 22:42:09,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:09,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459274039] [2023-11-22 22:42:09,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459274039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:09,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:09,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:09,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054797085] [2023-11-22 22:42:09,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:09,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:09,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:09,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:09,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:09,932 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 22:42:13,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:13,374 INFO L93 Difference]: Finished difference Result 12493 states and 17723 transitions. [2023-11-22 22:42:13,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:13,376 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 22:42:13,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:13,411 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 22:42:13,411 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 22:42:13,430 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 22:42:13,431 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1766 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.9s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:13,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2116 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-22 22:42:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 22:42:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 22:42:13,861 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 22:42:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8722 transitions. [2023-11-22 22:42:13,879 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8722 transitions. Word has length 301 [2023-11-22 22:42:13,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:13,879 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8722 transitions. [2023-11-22 22:42:13,880 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 22:42:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8722 transitions. [2023-11-22 22:42:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-11-22 22:42:13,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:13,884 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 22:42:13,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 22:42:13,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:13,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:13,885 INFO L85 PathProgramCache]: Analyzing trace with hash 831101780, now seen corresponding path program 1 times [2023-11-22 22:42:13,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768221133] [2023-11-22 22:42:13,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:14,786 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 22:42:14,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768221133] [2023-11-22 22:42:14,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768221133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:14,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673939699] [2023-11-22 22:42:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:14,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:14,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:14,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:14,789 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 22:42:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:18,020 INFO L93 Difference]: Finished difference Result 12493 states and 17703 transitions. [2023-11-22 22:42:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:18,021 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 22:42:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:18,048 INFO L225 Difference]: With dead ends: 12493 [2023-11-22 22:42:18,048 INFO L226 Difference]: Without dead ends: 6269 [2023-11-22 22:42:18,063 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 22:42:18,064 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1762 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:18,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2116 Invalid, 3216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 22:42:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2023-11-22 22:42:18,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6241. [2023-11-22 22:42:18,464 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 22:42:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8712 transitions. [2023-11-22 22:42:18,482 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8712 transitions. Word has length 302 [2023-11-22 22:42:18,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:18,483 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8712 transitions. [2023-11-22 22:42:18,483 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 22:42:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8712 transitions. [2023-11-22 22:42:18,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-11-22 22:42:18,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:18,487 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 22:42:18,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 22:42:18,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:18,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:18,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1559787589, now seen corresponding path program 1 times [2023-11-22 22:42:18,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:18,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839012988] [2023-11-22 22:42:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:19,199 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 22:42:19,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:19,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839012988] [2023-11-22 22:42:19,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839012988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:19,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:19,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:19,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744144673] [2023-11-22 22:42:19,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:19,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:19,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:19,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:19,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:19,202 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 22:42:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:27,267 INFO L93 Difference]: Finished difference Result 23533 states and 33333 transitions. [2023-11-22 22:42:27,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 22:42:27,268 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 22:42:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:27,314 INFO L225 Difference]: With dead ends: 23533 [2023-11-22 22:42:27,315 INFO L226 Difference]: Without dead ends: 17309 [2023-11-22 22:42:27,329 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 22:42:27,330 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 4167 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.8s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:27,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4574 Valid, 4397 Invalid, 6038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2099 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-22 22:42:27,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17309 states. [2023-11-22 22:42:28,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17309 to 17229. [2023-11-22 22:42:28,660 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 22:42:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24280 transitions. [2023-11-22 22:42:28,710 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24280 transitions. Word has length 303 [2023-11-22 22:42:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:28,710 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24280 transitions. [2023-11-22 22:42:28,711 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 22:42:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24280 transitions. [2023-11-22 22:42:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-22 22:42:28,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:28,714 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 22:42:28,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 22:42:28,715 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:28,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1746569904, now seen corresponding path program 1 times [2023-11-22 22:42:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404845723] [2023-11-22 22:42:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:29,342 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 22:42:29,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:29,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404845723] [2023-11-22 22:42:29,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404845723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:29,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:29,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:29,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621040792] [2023-11-22 22:42:29,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:29,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:29,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:29,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:29,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:29,345 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 22:42:33,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:33,680 INFO L93 Difference]: Finished difference Result 34501 states and 49371 transitions. [2023-11-22 22:42:33,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:33,681 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 22:42:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:33,734 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:42:33,735 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:42:33,769 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 22:42:33,771 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1757 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.9s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:33,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 2116 Invalid, 3214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-22 22:42:33,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:42:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:42:35,079 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 22:42:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24254 transitions. [2023-11-22 22:42:35,128 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24254 transitions. Word has length 304 [2023-11-22 22:42:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:35,129 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24254 transitions. [2023-11-22 22:42:35,129 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 22:42:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24254 transitions. [2023-11-22 22:42:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-22 22:42:35,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:35,132 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 22:42:35,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-22 22:42:35,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:35,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:35,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1278953687, now seen corresponding path program 1 times [2023-11-22 22:42:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:35,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543752920] [2023-11-22 22:42:35,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:35,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:35,720 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 22:42:35,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:35,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543752920] [2023-11-22 22:42:35,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543752920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:35,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:35,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223167772] [2023-11-22 22:42:35,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:35,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:35,723 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 22:42:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:40,060 INFO L93 Difference]: Finished difference Result 34501 states and 49319 transitions. [2023-11-22 22:42:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:40,061 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 22:42:40,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:40,107 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:42:40,107 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:42:40,138 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 22:42:40,139 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 22:42:40,139 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 22:42:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:42:41,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:42:41,616 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 22:42:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24228 transitions. [2023-11-22 22:42:41,665 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24228 transitions. Word has length 305 [2023-11-22 22:42:41,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:41,666 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24228 transitions. [2023-11-22 22:42:41,666 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 22:42:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24228 transitions. [2023-11-22 22:42:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-11-22 22:42:41,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:41,669 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 22:42:41,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-22 22:42:41,670 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:41,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:41,670 INFO L85 PathProgramCache]: Analyzing trace with hash -217730548, now seen corresponding path program 1 times [2023-11-22 22:42:41,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:41,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694650175] [2023-11-22 22:42:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-22 22:42:42,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:42,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694650175] [2023-11-22 22:42:42,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694650175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:42,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:42,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:42,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189107857] [2023-11-22 22:42:42,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:42,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:42,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:42,308 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 22:42:46,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:46,553 INFO L93 Difference]: Finished difference Result 34501 states and 49267 transitions. [2023-11-22 22:42:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:46,554 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 22:42:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:46,606 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:42:46,607 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:42:46,640 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 22:42:46,640 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1749 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:46,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 2116 Invalid, 3210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1649 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 22:42:46,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:42:48,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:42:48,019 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 22:42:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24202 transitions. [2023-11-22 22:42:48,061 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24202 transitions. Word has length 306 [2023-11-22 22:42:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:48,061 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24202 transitions. [2023-11-22 22:42:48,062 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 22:42:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24202 transitions. [2023-11-22 22:42:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-11-22 22:42:48,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:48,065 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 22:42:48,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-22 22:42:48,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:48,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 744215027, now seen corresponding path program 1 times [2023-11-22 22:42:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098096713] [2023-11-22 22:42:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:48,661 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 22:42:48,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:48,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098096713] [2023-11-22 22:42:48,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098096713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:48,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:48,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945149679] [2023-11-22 22:42:48,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:48,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:48,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:48,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:48,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:48,663 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 22:42:53,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:42:53,208 INFO L93 Difference]: Finished difference Result 34501 states and 49215 transitions. [2023-11-22 22:42:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:42:53,209 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 22:42:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:42:53,267 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:42:53,267 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:42:53,313 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 22:42:53,314 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1745 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 22:42:53,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 2116 Invalid, 3208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 22:42:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:42:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:42:54,934 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 22:42:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24176 transitions. [2023-11-22 22:42:54,995 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24176 transitions. Word has length 307 [2023-11-22 22:42:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:42:54,995 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24176 transitions. [2023-11-22 22:42:54,996 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 22:42:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24176 transitions. [2023-11-22 22:42:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-11-22 22:42:54,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:42:54,999 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 22:42:54,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-22 22:42:54,999 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:42:55,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:42:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash 614273384, now seen corresponding path program 1 times [2023-11-22 22:42:55,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:42:55,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031279112] [2023-11-22 22:42:55,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:42:55,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:42:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:42:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:42:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:42:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:42:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:42:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:42:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:42:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:42:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:42:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:42:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:42:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:42:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:42:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:42:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:42:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:42:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:42:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:42:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:42:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:42:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:42:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:42:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:42:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:42:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:42:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:42:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:42:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:42:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:42:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:42:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:42:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:42:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:42:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:42:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:42:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:42:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:42:55,698 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 22:42:55,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:42:55,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031279112] [2023-11-22 22:42:55,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031279112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:42:55,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:42:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:42:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115252061] [2023-11-22 22:42:55,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:42:55,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:42:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:42:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:42:55,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:42:55,701 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 22:43:00,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:00,058 INFO L93 Difference]: Finished difference Result 34501 states and 49163 transitions. [2023-11-22 22:43:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:43:00,059 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 22:43:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:00,114 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:43:00,114 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:43:00,149 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 22:43:00,150 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1741 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.8s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:00,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2116 Invalid, 3206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1645 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-22 22:43:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:43:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:43:01,774 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 22:43:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24150 transitions. [2023-11-22 22:43:01,825 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24150 transitions. Word has length 308 [2023-11-22 22:43:01,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:01,826 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24150 transitions. [2023-11-22 22:43:01,826 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 22:43:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24150 transitions. [2023-11-22 22:43:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-11-22 22:43:01,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:01,830 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 22:43:01,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-22 22:43:01,830 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:01,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:01,831 INFO L85 PathProgramCache]: Analyzing trace with hash 995566351, now seen corresponding path program 1 times [2023-11-22 22:43:01,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:01,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754696317] [2023-11-22 22:43:01,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:01,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:43:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:43:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:43:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:43:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:43:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:43:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:43:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:02,430 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 22:43:02,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:02,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754696317] [2023-11-22 22:43:02,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754696317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:02,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:02,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:43:02,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905540873] [2023-11-22 22:43:02,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:02,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:43:02,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:02,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:43:02,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:43:02,433 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 22:43:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:06,683 INFO L93 Difference]: Finished difference Result 34501 states and 49111 transitions. [2023-11-22 22:43:06,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:43:06,683 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 22:43:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:06,729 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:43:06,729 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:43:06,766 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 22:43:06,766 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1737 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.6s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:06,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 2116 Invalid, 3204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1643 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-22 22:43:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:43:08,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:43:08,327 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 22:43:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24124 transitions. [2023-11-22 22:43:08,371 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24124 transitions. Word has length 309 [2023-11-22 22:43:08,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:08,372 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24124 transitions. [2023-11-22 22:43:08,372 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 22:43:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24124 transitions. [2023-11-22 22:43:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-11-22 22:43:08,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:08,378 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 22:43:08,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-22 22:43:08,379 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:08,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 45263044, now seen corresponding path program 1 times [2023-11-22 22:43:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:08,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123105325] [2023-11-22 22:43:08,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:43:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:43:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:43:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:43:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:43:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:43:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:43:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:08,923 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 22:43:08,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:08,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123105325] [2023-11-22 22:43:08,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123105325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:08,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:08,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:43:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220641877] [2023-11-22 22:43:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:08,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:43:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:43:08,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:43:08,926 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 22:43:13,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:13,681 INFO L93 Difference]: Finished difference Result 34501 states and 49059 transitions. [2023-11-22 22:43:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:43:13,685 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 22:43:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:13,722 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:43:13,723 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:43:13,753 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 22:43:13,754 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1733 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.1s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:13,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 2116 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-22 22:43:13,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:43:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:43:15,205 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 22:43:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24098 transitions. [2023-11-22 22:43:15,255 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24098 transitions. Word has length 310 [2023-11-22 22:43:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:15,255 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24098 transitions. [2023-11-22 22:43:15,255 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 22:43:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24098 transitions. [2023-11-22 22:43:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-22 22:43:15,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:15,258 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 22:43:15,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-22 22:43:15,259 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:15,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash 765148203, now seen corresponding path program 1 times [2023-11-22 22:43:15,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:15,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807796642] [2023-11-22 22:43:15,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:15,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:43:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:43:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:43:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:43:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:43:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:43:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:43:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:15,882 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 22:43:15,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:15,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807796642] [2023-11-22 22:43:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807796642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:15,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:15,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:43:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865234323] [2023-11-22 22:43:15,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:15,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:43:15,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:15,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:43:15,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:43:15,891 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 22:43:20,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:20,056 INFO L93 Difference]: Finished difference Result 34501 states and 49007 transitions. [2023-11-22 22:43:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:43:20,057 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 22:43:20,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:20,104 INFO L225 Difference]: With dead ends: 34501 [2023-11-22 22:43:20,104 INFO L226 Difference]: Without dead ends: 17289 [2023-11-22 22:43:20,147 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 22:43:20,147 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1729 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.5s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:20,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 2116 Invalid, 3200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-22 22:43:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2023-11-22 22:43:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17229. [2023-11-22 22:43:21,786 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 22:43:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17229 states to 17229 states and 24072 transitions. [2023-11-22 22:43:21,838 INFO L78 Accepts]: Start accepts. Automaton has 17229 states and 24072 transitions. Word has length 311 [2023-11-22 22:43:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:21,839 INFO L495 AbstractCegarLoop]: Abstraction has 17229 states and 24072 transitions. [2023-11-22 22:43:21,839 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 22:43:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 17229 states and 24072 transitions. [2023-11-22 22:43:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-22 22:43:21,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:21,842 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 22:43:21,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-22 22:43:21,842 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:21,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 793777354, now seen corresponding path program 1 times [2023-11-22 22:43:21,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:21,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548598973] [2023-11-22 22:43:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-22 22:43:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-22 22:43:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-22 22:43:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-22 22:43:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 22:43:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 22:43:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-22 22:43:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:22,476 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 22:43:22,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:22,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548598973] [2023-11-22 22:43:22,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548598973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:22,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:22,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 22:43:22,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465457187] [2023-11-22 22:43:22,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:22,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 22:43:22,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:22,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 22:43:22,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 22:43:22,478 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 22:43:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:27,157 INFO L93 Difference]: Finished difference Result 17331 states and 24311 transitions. [2023-11-22 22:43:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 22:43:27,157 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 22:43:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:27,197 INFO L225 Difference]: With dead ends: 17331 [2023-11-22 22:43:27,198 INFO L226 Difference]: Without dead ends: 17329 [2023-11-22 22:43:27,206 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 22:43:27,206 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 231 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.1s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:27,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 4177 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-22 22:43:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17329 states. [2023-11-22 22:43:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17329 to 17269. [2023-11-22 22:43:28,828 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 22:43:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 24096 transitions. [2023-11-22 22:43:28,870 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 24096 transitions. Word has length 311 [2023-11-22 22:43:28,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:28,870 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 24096 transitions. [2023-11-22 22:43:28,870 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 22:43:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 24096 transitions. [2023-11-22 22:43:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-11-22 22:43:28,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:28,876 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 22:43:28,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-22 22:43:28,876 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:28,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:28,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1293712783, now seen corresponding path program 1 times [2023-11-22 22:43:28,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:28,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448908971] [2023-11-22 22:43:28,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 22:43:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 22:43:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 22:43:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 22:43:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 22:43:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-22 22:43:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-22 22:43:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:43:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:43:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-22 22:43:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-22 22:43:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:43:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:43:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-22 22:43:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-22 22:43:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-22 22:43:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:29,586 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 22:43:29,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:29,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448908971] [2023-11-22 22:43:29,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448908971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:29,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:29,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 22:43:29,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515478962] [2023-11-22 22:43:29,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:29,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 22:43:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:29,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 22:43:29,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 22:43:29,588 INFO L87 Difference]: Start difference. First operand 17269 states and 24096 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 3 states have internal predecessors, (145), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2023-11-22 22:43:45,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:43:45,022 INFO L93 Difference]: Finished difference Result 36693 states and 51374 transitions. [2023-11-22 22:43:45,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 22:43:45,023 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 22:43:45,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:43:45,072 INFO L225 Difference]: With dead ends: 36693 [2023-11-22 22:43:45,073 INFO L226 Difference]: Without dead ends: 19441 [2023-11-22 22:43:45,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-22 22:43:45,108 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1572 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 3633 mSolverCounterSat, 1592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s 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, 11.9s IncrementalHoareTripleChecker+Time [2023-11-22 22:43:45,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 2440 Invalid, 5225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1592 Valid, 3633 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-11-22 22:43:45,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19441 states. [2023-11-22 22:43:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19441 to 19243. [2023-11-22 22:43:46,978 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 22:43:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19243 states to 19243 states and 26862 transitions. [2023-11-22 22:43:47,041 INFO L78 Accepts]: Start accepts. Automaton has 19243 states and 26862 transitions. Word has length 373 [2023-11-22 22:43:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:43:47,042 INFO L495 AbstractCegarLoop]: Abstraction has 19243 states and 26862 transitions. [2023-11-22 22:43:47,042 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 22:43:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 19243 states and 26862 transitions. [2023-11-22 22:43:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-11-22 22:43:47,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:43:47,048 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 22:43:47,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-22 22:43:47,048 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:43:47,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:43:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1660700075, now seen corresponding path program 1 times [2023-11-22 22:43:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:43:47,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198385905] [2023-11-22 22:43:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:43:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:43:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:43:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:43:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:43:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:43:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:43:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:43:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:43:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:43:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:43:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:43:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:43:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:43:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:43:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:43:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:43:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:43:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:43:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:43:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:43:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:43:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:43:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:43:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:43:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:43:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:43:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:43:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:43:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:43:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 22:43:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 22:43:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 22:43:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 22:43:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-22 22:43:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 22:43:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-22 22:43:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:43:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:43:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-22 22:43:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-22 22:43:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:43:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:43:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:43:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-22 22:43:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-22 22:43:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-11-22 22:43:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:43:47,797 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 22:43:47,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:43:47,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198385905] [2023-11-22 22:43:47,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198385905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:43:47,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:43:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 22:43:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605065499] [2023-11-22 22:43:47,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:43:47,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 22:43:47,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:43:47,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 22:43:47,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 22:43:47,799 INFO L87 Difference]: Start difference. First operand 19243 states and 26862 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 22:43:59,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 22:44:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:44:05,539 INFO L93 Difference]: Finished difference Result 40701 states and 57054 transitions. [2023-11-22 22:44:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 22:44:05,539 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 22:44:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:44:05,599 INFO L225 Difference]: With dead ends: 40701 [2023-11-22 22:44:05,600 INFO L226 Difference]: Without dead ends: 21475 [2023-11-22 22:44:05,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-22 22:44:05,639 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 1423 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 3966 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 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, 14.0s IncrementalHoareTripleChecker+Time [2023-11-22 22:44:05,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 2637 Invalid, 5404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 3966 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2023-11-22 22:44:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21475 states. [2023-11-22 22:44:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21475 to 21273. [2023-11-22 22:44:07,647 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 22:44:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21273 states to 21273 states and 29672 transitions. [2023-11-22 22:44:07,703 INFO L78 Accepts]: Start accepts. Automaton has 21273 states and 29672 transitions. Word has length 366 [2023-11-22 22:44:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:44:07,703 INFO L495 AbstractCegarLoop]: Abstraction has 21273 states and 29672 transitions. [2023-11-22 22:44:07,703 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 22:44:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21273 states and 29672 transitions. [2023-11-22 22:44:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-11-22 22:44:07,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:44:07,710 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] [2023-11-22 22:44:07,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-22 22:44:07,710 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:44:07,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:44:07,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1297380124, now seen corresponding path program 1 times [2023-11-22 22:44:07,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:44:07,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110334082] [2023-11-22 22:44:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:44:07,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:44:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:44:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:44:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:44:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:44:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:44:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:44:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:44:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:44:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:44:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:44:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:44:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:44:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:44:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:44:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:44:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:44:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:44:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:44:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:44:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:44:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:44:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:44:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:44:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:44:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:44:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:44:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 22:44:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 22:44:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 22:44:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 22:44:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-22 22:44:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 22:44:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-22 22:44:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-22 22:44:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-22 22:44:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-22 22:44:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:44:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:44:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-11-22 22:44:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-22 22:44:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:44:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:44:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-22 22:44:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-22 22:44:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-22 22:44:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:08,506 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 22:44:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:44:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110334082] [2023-11-22 22:44:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110334082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:44:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:44:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 22:44:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623415478] [2023-11-22 22:44:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:44:08,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 22:44:08,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:44:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 22:44:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-22 22:44:08,507 INFO L87 Difference]: Start difference. First operand 21273 states and 29672 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 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 22:44:21,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 22:44:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:44:34,345 INFO L93 Difference]: Finished difference Result 53653 states and 76144 transitions. [2023-11-22 22:44:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-22 22:44:34,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 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 396 [2023-11-22 22:44:34,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:44:34,442 INFO L225 Difference]: With dead ends: 53653 [2023-11-22 22:44:34,442 INFO L226 Difference]: Without dead ends: 32397 [2023-11-22 22:44:34,493 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 22:44:34,494 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 1978 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 6026 mSolverCounterSat, 1736 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 4601 SdHoareTripleChecker+Invalid, 7763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 6026 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2023-11-22 22:44:34,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 4601 Invalid, 7763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 6026 Invalid, 1 Unknown, 0 Unchecked, 21.2s Time] [2023-11-22 22:44:34,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32397 states. [2023-11-22 22:44:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32397 to 24489. [2023-11-22 22:44:37,277 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 22:44:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24489 states to 24489 states and 33900 transitions. [2023-11-22 22:44:37,356 INFO L78 Accepts]: Start accepts. Automaton has 24489 states and 33900 transitions. Word has length 396 [2023-11-22 22:44:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:44:37,357 INFO L495 AbstractCegarLoop]: Abstraction has 24489 states and 33900 transitions. [2023-11-22 22:44:37,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 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 22:44:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24489 states and 33900 transitions. [2023-11-22 22:44:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2023-11-22 22:44:37,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:44:37,365 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 22:44:37,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-22 22:44:37,365 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:44:37,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:44:37,366 INFO L85 PathProgramCache]: Analyzing trace with hash 313913928, now seen corresponding path program 1 times [2023-11-22 22:44:37,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:44:37,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390296670] [2023-11-22 22:44:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:44:37,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:44:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 22:44:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 22:44:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 22:44:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-22 22:44:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-22 22:44:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-22 22:44:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 22:44:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 22:44:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-22 22:44:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-22 22:44:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 22:44:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 22:44:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-22 22:44:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-22 22:44:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 22:44:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 22:44:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-22 22:44:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-22 22:44:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 22:44:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 22:44:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 22:44:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 22:44:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-22 22:44:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 22:44:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-22 22:44:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-22 22:44:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-22 22:44:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-22 22:44:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-22 22:44:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-22 22:44:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 22:44:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-22 22:44:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-22 22:44:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-22 22:44:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-22 22:44:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-11-22 22:44:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-22 22:44:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-22 22:44:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:44:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:44:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-22 22:44:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-11-22 22:44:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 22:44:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-22 22:44:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 22:44:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-22 22:44:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-22 22:44:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-22 22:44:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:44:38,173 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 22:44:38,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:44:38,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390296670] [2023-11-22 22:44:38,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390296670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:44:38,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:44:38,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 22:44:38,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708655753] [2023-11-22 22:44:38,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:44:38,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 22:44:38,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:44:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 22:44:38,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-22 22:44:38,175 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 22:44:51,998 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 22:44:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:44:59,396 INFO L93 Difference]: Finished difference Result 60377 states and 85730 transitions. [2023-11-22 22:44:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-22 22:44:59,396 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 22:44:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:44:59,539 INFO L225 Difference]: With dead ends: 60377 [2023-11-22 22:44:59,539 INFO L226 Difference]: Without dead ends: 35905 [2023-11-22 22:44:59,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-22 22:44:59,598 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 1892 mSDsluCounter, 3484 mSDsCounter, 0 mSdLazyCounter, 6024 mSolverCounterSat, 1555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s 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, 15.6s IncrementalHoareTripleChecker+Time [2023-11-22 22:44:59,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 4812 Invalid, 7579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1555 Valid, 6024 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2023-11-22 22:44:59,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35905 states. Killed by 15