./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:10,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:10,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:41:10,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:10,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:10,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:10,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:10,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:10,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:10,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:10,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:10,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:10,973 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:10,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:10,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:10,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:10,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:10,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:10,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:10,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:10,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:10,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:10,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:10,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:10,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:10,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:10,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:10,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:10,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:10,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:10,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:10,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:10,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:10,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:10,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:10,984 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:10,984 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2023-11-06 22:41:11,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:11,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:11,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:11,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:11,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:11,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2023-11-06 22:41:14,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:15,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:15,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2023-11-06 22:41:15,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/data/52f7861c6/35cd012ad06a434baf21dd6f23d2580c/FLAG1ed4d404e [2023-11-06 22:41:15,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/data/52f7861c6/35cd012ad06a434baf21dd6f23d2580c [2023-11-06 22:41:15,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:15,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:15,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:15,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:15,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:15,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:15" (1/1) ... [2023-11-06 22:41:15,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1b5695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:15, skipping insertion in model container [2023-11-06 22:41:15,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:15" (1/1) ... [2023-11-06 22:41:15,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:18,944 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2023-11-06 22:41:19,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:19,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:19,429 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"); [4285] [2023-11-06 22:41:19,431 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)); [4292] [2023-11-06 22:41:19,432 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4300-4301] [2023-11-06 22:41:19,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [4315] [2023-11-06 22:41:19,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8724-8725] [2023-11-06 22:41:19,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [8739] [2023-11-06 22:41:19,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8742] [2023-11-06 22:41:19,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8745] [2023-11-06 22:41:19,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8748] [2023-11-06 22:41:19,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9330-9331] [2023-11-06 22:41:19,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9335-9336] [2023-11-06 22:41:19,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [9340-9341] [2023-11-06 22:41:19,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [9345-9346] [2023-11-06 22:41:19,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)user_arg), "i" (4UL)); [9603-9604] [2023-11-06 22:41:19,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9691] [2023-11-06 22:41:19,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9694] [2023-11-06 22:41:19,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9697] [2023-11-06 22:41:19,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9700] [2023-11-06 22:41:19,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9703] [2023-11-06 22:41:19,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9760-9761] [2023-11-06 22:41:19,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9764-9765] [2023-11-06 22:41:19,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9768-9769] [2023-11-06 22:41:19,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9772-9773] [2023-11-06 22:41:19,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9776-9777] [2023-11-06 22:41:19,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [9786-9787] [2023-11-06 22:41:19,835 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [10548-10549] [2023-11-06 22:41:19,925 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2023-11-06 22:41:19,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:20,174 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:20,175 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:20,175 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:41:20,183 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:20,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20 WrapperNode [2023-11-06 22:41:20,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:20,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:20,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:20,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:20,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,701 INFO L138 Inliner]: procedures = 495, calls = 4543, calls flagged for inlining = 163, calls inlined = 147, statements flattened = 8264 [2023-11-06 22:41:20,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:20,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:20,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:20,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:20,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:20,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:21,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:21,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:21,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:21,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (1/1) ... [2023-11-06 22:41:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:21,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:21,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9858e3e-3ec9-4819-bd65-b6aa6098a70e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-06 22:41:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-06 22:41:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 22:41:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2023-11-06 22:41:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2023-11-06 22:41:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:41:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:41:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-06 22:41:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-06 22:41:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2023-11-06 22:41:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2023-11-06 22:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2023-11-06 22:41:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2023-11-06 22:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:41:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2023-11-06 22:41:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2023-11-06 22:41:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2023-11-06 22:41:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2023-11-06 22:41:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-06 22:41:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-06 22:41:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2023-11-06 22:41:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2023-11-06 22:41:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-06 22:41:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-06 22:41:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2023-11-06 22:41:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2023-11-06 22:41:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2023-11-06 22:41:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2023-11-06 22:41:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-06 22:41:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-06 22:41:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 22:41:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 22:41:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2023-11-06 22:41:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2023-11-06 22:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2023-11-06 22:41:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2023-11-06 22:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:41:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:41:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-06 22:41:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-06 22:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-06 22:41:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-06 22:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2023-11-06 22:41:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2023-11-06 22:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:41:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:41:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2023-11-06 22:41:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2023-11-06 22:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2023-11-06 22:41:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2023-11-06 22:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2023-11-06 22:41:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2023-11-06 22:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2023-11-06 22:41:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2023-11-06 22:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-06 22:41:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-06 22:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:41:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:41:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2023-11-06 22:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2023-11-06 22:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2023-11-06 22:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2023-11-06 22:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:41:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2023-11-06 22:41:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2023-11-06 22:41:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2023-11-06 22:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2023-11-06 22:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2023-11-06 22:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2023-11-06 22:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2023-11-06 22:41:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2023-11-06 22:41:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2023-11-06 22:41:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2023-11-06 22:41:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2023-11-06 22:41:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2023-11-06 22:41:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-06 22:41:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-06 22:41:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:41:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2023-11-06 22:41:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2023-11-06 22:41:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:41:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:41:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-06 22:41:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-06 22:41:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2023-11-06 22:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2023-11-06 22:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-06 22:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-06 22:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-06 22:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-06 22:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2023-11-06 22:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2023-11-06 22:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 22:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 22:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2023-11-06 22:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2023-11-06 22:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 22:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 22:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2023-11-06 22:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2023-11-06 22:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-06 22:41:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-06 22:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2023-11-06 22:41:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2023-11-06 22:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2023-11-06 22:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2023-11-06 22:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:41:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-06 22:41:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-06 22:41:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2023-11-06 22:41:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2023-11-06 22:41:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:41:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:41:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2023-11-06 22:41:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2023-11-06 22:41:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:41:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:41:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2023-11-06 22:41:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2023-11-06 22:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 22:41:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 22:41:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:41:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:41:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-06 22:41:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-06 22:41:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2023-11-06 22:41:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2023-11-06 22:41:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-06 22:41:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-06 22:41:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2023-11-06 22:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2023-11-06 22:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2023-11-06 22:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2023-11-06 22:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2023-11-06 22:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2023-11-06 22:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-06 22:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-06 22:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 22:41:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 22:41:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2023-11-06 22:41:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2023-11-06 22:41:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-06 22:41:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-06 22:41:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2023-11-06 22:41:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2023-11-06 22:41:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:41:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 22:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 22:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2023-11-06 22:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2023-11-06 22:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-06 22:41:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-06 22:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:41:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:41:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2023-11-06 22:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2023-11-06 22:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2023-11-06 22:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2023-11-06 22:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-06 22:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-06 22:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2023-11-06 22:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2023-11-06 22:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2023-11-06 22:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2023-11-06 22:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:41:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2023-11-06 22:41:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2023-11-06 22:41:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:41:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:41:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2023-11-06 22:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2023-11-06 22:41:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:41:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2023-11-06 22:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2023-11-06 22:41:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2023-11-06 22:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2023-11-06 22:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 22:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 22:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-06 22:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-06 22:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2023-11-06 22:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2023-11-06 22:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-06 22:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-06 22:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2023-11-06 22:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2023-11-06 22:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2023-11-06 22:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2023-11-06 22:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2023-11-06 22:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2023-11-06 22:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-06 22:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-06 22:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2023-11-06 22:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2023-11-06 22:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-06 22:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-06 22:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2023-11-06 22:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2023-11-06 22:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-06 22:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-06 22:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2023-11-06 22:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2023-11-06 22:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2023-11-06 22:41:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2023-11-06 22:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2023-11-06 22:41:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2023-11-06 22:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:41:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:41:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 22:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 22:41:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:41:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 22:41:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 22:41:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:41:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2023-11-06 22:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-06 22:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2023-11-06 22:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2023-11-06 22:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-06 22:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-06 22:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2023-11-06 22:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-06 22:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2023-11-06 22:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 22:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 22:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2023-11-06 22:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2023-11-06 22:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2023-11-06 22:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2023-11-06 22:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2023-11-06 22:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 22:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 22:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 22:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 22:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-06 22:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-06 22:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:41:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:41:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 22:41:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 22:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 22:41:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 22:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2023-11-06 22:41:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2023-11-06 22:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2023-11-06 22:41:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2023-11-06 22:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2023-11-06 22:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2023-11-06 22:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 22:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 22:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2023-11-06 22:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2023-11-06 22:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-06 22:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-06 22:41:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-06 22:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-06 22:41:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2023-11-06 22:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2023-11-06 22:41:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2023-11-06 22:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2023-11-06 22:41:22,509 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:22,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:23,202 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:41:44,457 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:44,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:44,487 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:41:44,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:44 BoogieIcfgContainer [2023-11-06 22:41:44,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:44,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:44,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:44,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:44,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:15" (1/3) ... [2023-11-06 22:41:44,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2e58e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:44, skipping insertion in model container [2023-11-06 22:41:44,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:20" (2/3) ... [2023-11-06 22:41:44,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2e58e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:44, skipping insertion in model container [2023-11-06 22:41:44,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:44" (3/3) ... [2023-11-06 22:41:44,508 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2023-11-06 22:41:44,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:44,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:44,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:44,670 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=LoopsAndPotentialCycles, 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;@532c7469, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:44,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 3066 states, 2117 states have (on average 1.3778932451582429) internal successors, (2917), 2207 states have internal predecessors, (2917), 789 states have call successors, (789), 159 states have call predecessors, (789), 158 states have return successors, (780), 772 states have call predecessors, (780), 780 states have call successors, (780) [2023-11-06 22:41:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 22:41:44,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:44,719 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:44,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:44,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash -380331919, now seen corresponding path program 1 times [2023-11-06 22:41:44,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084253945] [2023-11-06 22:41:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:41:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:41:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:41:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:41:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:41:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:41:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:41:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:41:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:41:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:41:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:41:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:41:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:41:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:41:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:41:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:41:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:41:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:41:46,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:46,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084253945] [2023-11-06 22:41:46,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084253945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:46,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097977742] [2023-11-06 22:41:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:46,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:46,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:46,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:46,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:46,785 INFO L87 Difference]: Start difference. First operand has 3066 states, 2117 states have (on average 1.3778932451582429) internal successors, (2917), 2207 states have internal predecessors, (2917), 789 states have call successors, (789), 159 states have call predecessors, (789), 158 states have return successors, (780), 772 states have call predecessors, (780), 780 states have call successors, (780) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:42:04,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:06,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:08,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:08,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:08,922 INFO L93 Difference]: Finished difference Result 6473 states and 9785 transitions. [2023-11-06 22:42:08,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:42:08,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2023-11-06 22:42:08,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:08,975 INFO L225 Difference]: With dead ends: 6473 [2023-11-06 22:42:08,975 INFO L226 Difference]: Without dead ends: 3396 [2023-11-06 22:42:09,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:42:09,008 INFO L413 NwaCegarLoop]: 3497 mSDtfsCounter, 1919 mSDsluCounter, 4994 mSDsCounter, 0 mSdLazyCounter, 4478 mSolverCounterSat, 1913 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 8491 SdHoareTripleChecker+Invalid, 6392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1913 IncrementalHoareTripleChecker+Valid, 4478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:09,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 8491 Invalid, 6392 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1913 Valid, 4478 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2023-11-06 22:42:09,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2023-11-06 22:42:09,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3050. [2023-11-06 22:42:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 2112 states have (on average 1.3660037878787878) internal successors, (2885), 2191 states have internal predecessors, (2885), 780 states have call successors, (780), 158 states have call predecessors, (780), 157 states have return successors, (768), 760 states have call predecessors, (768), 768 states have call successors, (768) [2023-11-06 22:42:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4433 transitions. [2023-11-06 22:42:09,346 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4433 transitions. Word has length 209 [2023-11-06 22:42:09,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:09,347 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4433 transitions. [2023-11-06 22:42:09,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:42:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4433 transitions. [2023-11-06 22:42:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-06 22:42:09,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:09,365 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:09,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:42:09,367 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:09,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:09,368 INFO L85 PathProgramCache]: Analyzing trace with hash 221611369, now seen corresponding path program 1 times [2023-11-06 22:42:09,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:09,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238216798] [2023-11-06 22:42:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:42:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:42:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:42:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:42:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:42:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:42:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:42:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:42:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:42:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:42:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:42:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:42:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:42:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:42:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:42:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:42:10,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238216798] [2023-11-06 22:42:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238216798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:42:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268642291] [2023-11-06 22:42:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:10,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:42:10,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:10,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:42:10,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:42:10,760 INFO L87 Difference]: Start difference. First operand 3050 states and 4433 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:42:32,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:35,625 INFO L93 Difference]: Finished difference Result 9515 states and 14044 transitions. [2023-11-06 22:42:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:42:35,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2023-11-06 22:42:35,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:35,697 INFO L225 Difference]: With dead ends: 9515 [2023-11-06 22:42:35,697 INFO L226 Difference]: Without dead ends: 6500 [2023-11-06 22:42:35,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:42:35,718 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 7079 mSDsluCounter, 6722 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 3879 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7658 SdHoareTripleChecker+Valid, 10533 SdHoareTripleChecker+Invalid, 9320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:35,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7658 Valid, 10533 Invalid, 9320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3879 Valid, 5440 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2023-11-06 22:42:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6500 states. [2023-11-06 22:42:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6500 to 5788. [2023-11-06 22:42:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5788 states, 4012 states have (on average 1.361665004985045) internal successors, (5463), 4156 states have internal predecessors, (5463), 1467 states have call successors, (1467), 309 states have call predecessors, (1467), 308 states have return successors, (1455), 1438 states have call predecessors, (1455), 1455 states have call successors, (1455) [2023-11-06 22:42:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 8385 transitions. [2023-11-06 22:42:36,159 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 8385 transitions. Word has length 209 [2023-11-06 22:42:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:36,164 INFO L495 AbstractCegarLoop]: Abstraction has 5788 states and 8385 transitions. [2023-11-06 22:42:36,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:42:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 8385 transitions. [2023-11-06 22:42:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-06 22:42:36,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:36,173 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:36,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:42:36,174 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:36,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:36,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1826028189, now seen corresponding path program 1 times [2023-11-06 22:42:36,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:36,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029487848] [2023-11-06 22:42:36,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:36,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:42:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:42:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:42:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:42:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:42:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:42:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:42:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:42:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:42:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:42:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:42:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:42:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:42:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:42:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:42:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:42:37,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:37,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029487848] [2023-11-06 22:42:37,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029487848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:37,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:37,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:42:37,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580664486] [2023-11-06 22:42:37,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:37,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:42:37,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:37,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:42:37,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:42:37,968 INFO L87 Difference]: Start difference. First operand 5788 states and 8385 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:42:53,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:42:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:54,581 INFO L93 Difference]: Finished difference Result 12685 states and 18712 transitions. [2023-11-06 22:42:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:42:54,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2023-11-06 22:42:54,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:54,645 INFO L225 Difference]: With dead ends: 12685 [2023-11-06 22:42:54,645 INFO L226 Difference]: Without dead ends: 6932 [2023-11-06 22:42:54,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:42:54,680 INFO L413 NwaCegarLoop]: 4188 mSDtfsCounter, 3744 mSDsluCounter, 9013 mSDsCounter, 0 mSdLazyCounter, 5583 mSolverCounterSat, 2926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 13201 SdHoareTripleChecker+Invalid, 8509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2926 IncrementalHoareTripleChecker+Valid, 5583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:54,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 13201 Invalid, 8509 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2926 Valid, 5583 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2023-11-06 22:42:54,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6932 states. [2023-11-06 22:42:55,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6932 to 5788. [2023-11-06 22:42:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5788 states, 4012 states have (on average 1.3611665004985045) internal successors, (5461), 4154 states have internal predecessors, (5461), 1467 states have call successors, (1467), 309 states have call predecessors, (1467), 308 states have return successors, (1455), 1438 states have call predecessors, (1455), 1455 states have call successors, (1455) [2023-11-06 22:42:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 8383 transitions. [2023-11-06 22:42:55,058 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 8383 transitions. Word has length 215 [2023-11-06 22:42:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:55,061 INFO L495 AbstractCegarLoop]: Abstraction has 5788 states and 8383 transitions. [2023-11-06 22:42:55,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:42:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 8383 transitions. [2023-11-06 22:42:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-06 22:42:55,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:55,067 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:55,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:42:55,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:55,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:55,068 INFO L85 PathProgramCache]: Analyzing trace with hash -206139276, now seen corresponding path program 1 times [2023-11-06 22:42:55,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:55,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379769795] [2023-11-06 22:42:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:55,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:42:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:42:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:42:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:42:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:42:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:42:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:42:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:42:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:42:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:42:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:42:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:42:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:42:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:42:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:42:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:42:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:42:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:42:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:42:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:42:56,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:56,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379769795] [2023-11-06 22:42:56,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379769795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:56,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:56,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:42:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142278219] [2023-11-06 22:42:56,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:56,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:42:56,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:56,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:42:56,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:42:56,490 INFO L87 Difference]: Start difference. First operand 5788 states and 8383 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:43:18,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:22,267 INFO L93 Difference]: Finished difference Result 19076 states and 28279 transitions. [2023-11-06 22:43:22,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:22,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2023-11-06 22:43:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:22,391 INFO L225 Difference]: With dead ends: 19076 [2023-11-06 22:43:22,392 INFO L226 Difference]: Without dead ends: 13323 [2023-11-06 22:43:22,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:22,431 INFO L413 NwaCegarLoop]: 3687 mSDtfsCounter, 8955 mSDsluCounter, 8544 mSDsCounter, 0 mSdLazyCounter, 7105 mSolverCounterSat, 4564 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9692 SdHoareTripleChecker+Valid, 12231 SdHoareTripleChecker+Invalid, 11670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4564 IncrementalHoareTripleChecker+Valid, 7105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:22,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9692 Valid, 12231 Invalid, 11670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4564 Valid, 7105 Invalid, 1 Unknown, 0 Unchecked, 24.8s Time] [2023-11-06 22:43:22,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13323 states. [2023-11-06 22:43:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13323 to 11399. [2023-11-06 22:43:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11399 states, 7906 states have (on average 1.361497596761953) internal successors, (10764), 8175 states have internal predecessors, (10764), 2876 states have call successors, (2876), 617 states have call predecessors, (2876), 616 states have return successors, (2864), 2832 states have call predecessors, (2864), 2864 states have call successors, (2864) [2023-11-06 22:43:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11399 states to 11399 states and 16504 transitions. [2023-11-06 22:43:23,402 INFO L78 Accepts]: Start accepts. Automaton has 11399 states and 16504 transitions. Word has length 223 [2023-11-06 22:43:23,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:23,403 INFO L495 AbstractCegarLoop]: Abstraction has 11399 states and 16504 transitions. [2023-11-06 22:43:23,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:43:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 11399 states and 16504 transitions. [2023-11-06 22:43:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-06 22:43:23,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:23,411 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:23,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:43:23,411 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:23,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -991125784, now seen corresponding path program 1 times [2023-11-06 22:43:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:23,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35623554] [2023-11-06 22:43:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:43:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:43:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:43:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:43:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:43:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:43:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:43:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:43:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:43:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:43:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:43:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:43:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:43:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:43:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:43:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-06 22:43:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:43:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-06 22:43:24,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:24,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35623554] [2023-11-06 22:43:24,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35623554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:24,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:24,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:43:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760712793] [2023-11-06 22:43:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:24,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:43:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:24,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:43:24,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:43:24,851 INFO L87 Difference]: Start difference. First operand 11399 states and 16504 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:43:46,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:47,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:48,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:50,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:50,766 INFO L93 Difference]: Finished difference Result 25240 states and 37262 transitions. [2023-11-06 22:43:50,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:43:50,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 239 [2023-11-06 22:43:50,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:50,840 INFO L225 Difference]: With dead ends: 25240 [2023-11-06 22:43:50,841 INFO L226 Difference]: Without dead ends: 13876 [2023-11-06 22:43:50,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:50,887 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 6712 mSDsluCounter, 9254 mSDsCounter, 0 mSdLazyCounter, 6868 mSolverCounterSat, 2851 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7280 SdHoareTripleChecker+Valid, 13250 SdHoareTripleChecker+Invalid, 9720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2851 IncrementalHoareTripleChecker+Valid, 6868 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:50,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7280 Valid, 13250 Invalid, 9720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2851 Valid, 6868 Invalid, 1 Unknown, 0 Unchecked, 24.9s Time] [2023-11-06 22:43:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13876 states. [2023-11-06 22:43:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13876 to 11403. [2023-11-06 22:43:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11403 states, 7910 states have (on average 1.361188369152971) internal successors, (10767), 8179 states have internal predecessors, (10767), 2876 states have call successors, (2876), 617 states have call predecessors, (2876), 616 states have return successors, (2864), 2832 states have call predecessors, (2864), 2864 states have call successors, (2864) [2023-11-06 22:43:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11403 states to 11403 states and 16507 transitions. [2023-11-06 22:43:51,677 INFO L78 Accepts]: Start accepts. Automaton has 11403 states and 16507 transitions. Word has length 239 [2023-11-06 22:43:51,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:51,683 INFO L495 AbstractCegarLoop]: Abstraction has 11403 states and 16507 transitions. [2023-11-06 22:43:51,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:43:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 11403 states and 16507 transitions. [2023-11-06 22:43:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-06 22:43:51,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:51,693 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:51,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:43:51,693 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:51,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:51,694 INFO L85 PathProgramCache]: Analyzing trace with hash -172488744, now seen corresponding path program 1 times [2023-11-06 22:43:51,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:51,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32361242] [2023-11-06 22:43:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:43:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:43:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:43:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:43:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:43:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:43:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:43:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:43:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:43:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:43:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:43:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:43:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:43:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:43:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:43:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-06 22:43:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:43:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:43:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:43:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:43:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-06 22:43:53,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:53,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32361242] [2023-11-06 22:43:53,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32361242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:53,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:53,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:43:53,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890696755] [2023-11-06 22:43:53,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:53,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:43:53,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:53,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:43:53,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:43:53,093 INFO L87 Difference]: Start difference. First operand 11403 states and 16507 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:44:08,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:10,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:14,703 INFO L93 Difference]: Finished difference Result 21753 states and 32228 transitions. [2023-11-06 22:44:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:44:14,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2023-11-06 22:44:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:14,834 INFO L225 Difference]: With dead ends: 21753 [2023-11-06 22:44:14,835 INFO L226 Difference]: Without dead ends: 21749 [2023-11-06 22:44:14,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:44:14,854 INFO L413 NwaCegarLoop]: 3261 mSDtfsCounter, 9207 mSDsluCounter, 5266 mSDsCounter, 0 mSdLazyCounter, 4915 mSolverCounterSat, 5571 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9890 SdHoareTripleChecker+Valid, 8527 SdHoareTripleChecker+Invalid, 10488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5571 IncrementalHoareTripleChecker+Valid, 4915 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:14,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9890 Valid, 8527 Invalid, 10488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5571 Valid, 4915 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2023-11-06 22:44:14,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21749 states. [2023-11-06 22:44:16,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21749 to 18213. [2023-11-06 22:44:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18213 states, 12546 states have (on average 1.3459269886816516) internal successors, (16886), 13007 states have internal predecessors, (16886), 4584 states have call successors, (4584), 1083 states have call predecessors, (4584), 1082 states have return successors, (4574), 4526 states have call predecessors, (4574), 4574 states have call successors, (4574) [2023-11-06 22:44:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18213 states to 18213 states and 26044 transitions. [2023-11-06 22:44:16,187 INFO L78 Accepts]: Start accepts. Automaton has 18213 states and 26044 transitions. Word has length 250 [2023-11-06 22:44:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:16,187 INFO L495 AbstractCegarLoop]: Abstraction has 18213 states and 26044 transitions. [2023-11-06 22:44:16,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:44:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18213 states and 26044 transitions. [2023-11-06 22:44:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-06 22:44:16,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:16,193 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:16,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:44:16,194 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:16,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:16,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1053507738, now seen corresponding path program 1 times [2023-11-06 22:44:16,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:16,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790722568] [2023-11-06 22:44:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:16,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:44:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:44:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:44:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:44:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:44:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:44:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:44:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:44:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:44:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:44:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:44:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:44:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:44:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:44:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:44:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-06 22:44:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:44:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-06 22:44:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:44:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-06 22:44:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:44:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:44:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:44:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-06 22:44:17,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:17,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790722568] [2023-11-06 22:44:17,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790722568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:17,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:17,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:44:17,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84784557] [2023-11-06 22:44:17,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:17,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:44:17,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:17,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:44:17,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:44:17,666 INFO L87 Difference]: Start difference. First operand 18213 states and 26044 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:44:34,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:36,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:37,960 INFO L93 Difference]: Finished difference Result 23261 states and 34187 transitions. [2023-11-06 22:44:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:44:37,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2023-11-06 22:44:37,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:38,113 INFO L225 Difference]: With dead ends: 23261 [2023-11-06 22:44:38,113 INFO L226 Difference]: Without dead ends: 23257 [2023-11-06 22:44:38,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:44:38,135 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 7236 mSDsluCounter, 4884 mSDsCounter, 0 mSdLazyCounter, 4860 mSolverCounterSat, 3842 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7801 SdHoareTripleChecker+Valid, 8141 SdHoareTripleChecker+Invalid, 8703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3842 IncrementalHoareTripleChecker+Valid, 4860 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:38,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7801 Valid, 8141 Invalid, 8703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3842 Valid, 4860 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2023-11-06 22:44:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23257 states.