./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--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:15:37,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:15:37,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 01:15:37,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:15:37,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:15:37,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:15:37,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:15:37,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:15:37,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:15:37,392 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:15:37,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:15:37,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:15:37,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:15:37,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:15:37,395 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:15:37,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:15:37,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:15:37,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:15:37,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:15:37,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:15:37,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:15:37,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:15:37,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:15:37,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:15:37,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:15:37,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:15:37,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:15:37,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:15:37,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:15:37,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:15:37,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:15:37,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:15:37,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:15:37,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:15:37,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:15:37,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:15:37,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:15:37,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:15:37,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:15:37,405 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_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2023-11-29 01:15:37,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:15:37,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:15:37,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:15:37,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:15:37,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:15:37,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-11-29 01:15:40,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:15:40,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:15:40,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-11-29 01:15:40,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/data/7f7e730ac/8c5af7aeaf1b4cc983d8d0bd07d1ef91/FLAGc02393fec [2023-11-29 01:15:40,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/data/7f7e730ac/8c5af7aeaf1b4cc983d8d0bd07d1ef91 [2023-11-29 01:15:40,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:15:40,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:15:40,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:15:40,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:15:40,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:15:40,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:15:40" (1/1) ... [2023-11-29 01:15:40,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8b28e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:40, skipping insertion in model container [2023-11-29 01:15:40,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:15:40" (1/1) ... [2023-11-29 01:15:41,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:15:42,158 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_ebf49353-00b1-45d2-ae26-53118f230a0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2023-11-29 01:15:42,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:15:42,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:15:42,415 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"); [3376] [2023-11-29 01:15:42,417 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"); [3384-3385] [2023-11-29 01:15:42,418 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"); [3393-3394] [2023-11-29 01:15:42,418 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)); [3402-3403] [2023-11-29 01:15:42,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3421] [2023-11-29 01:15:42,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3424] [2023-11-29 01:15:42,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3427] [2023-11-29 01:15:42,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3430] [2023-11-29 01:15:42,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3451] [2023-11-29 01:15:42,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3454] [2023-11-29 01:15:42,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3457] [2023-11-29 01:15:42,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3460] [2023-11-29 01:15:42,592 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_ebf49353-00b1-45d2-ae26-53118f230a0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2023-11-29 01:15:42,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:15:42,677 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:15:42,677 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:15:42,677 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:15:42,686 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:15:42,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42 WrapperNode [2023-11-29 01:15:42,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:15:42,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:15:42,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:15:42,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:15:42,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:42,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:42,852 INFO L138 Inliner]: procedures = 222, calls = 892, calls flagged for inlining = 80, calls inlined = 75, statements flattened = 2744 [2023-11-29 01:15:42,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:15:42,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:15:42,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:15:42,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:15:42,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:42,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:42,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,005 INFO L175 MemorySlicer]: Split 383 memory accesses to 19 slices as follows [2, 5, 5, 6, 28, 15, 1, 15, 24, 199, 12, 3, 5, 8, 27, 3, 14, 8, 3]. 52 percent of accesses are in the largest equivalence class. The 170 initializations are split as follows [2, 5, 5, 6, 28, 8, 0, 8, 24, 24, 0, 3, 5, 8, 27, 3, 3, 8, 3]. The 57 writes are split as follows [0, 0, 0, 0, 0, 3, 0, 0, 0, 42, 2, 0, 0, 0, 0, 0, 10, 0, 0]. [2023-11-29 01:15:43,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:15:43,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:15:43,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:15:43,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:15:43,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (1/1) ... [2023-11-29 01:15:43,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:15:43,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:15:43,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:15:43,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:15:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2023-11-29 01:15:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2023-11-29 01:15:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-29 01:15:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2023-11-29 01:15:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2023-11-29 01:15:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 01:15:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 01:15:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 01:15:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 01:15:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2023-11-29 01:15:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2023-11-29 01:15:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-29 01:15:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-29 01:15:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-29 01:15:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-29 01:15:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2023-11-29 01:15:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2023-11-29 01:15:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 01:15:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 01:15:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 01:15:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 01:15:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 01:15:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 01:15:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:15:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:15:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-29 01:15:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-29 01:15:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 01:15:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-29 01:15:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2023-11-29 01:15:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2023-11-29 01:15:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:15:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2023-11-29 01:15:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2023-11-29 01:15:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2023-11-29 01:15:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2023-11-29 01:15:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 01:15:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 01:15:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 01:15:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 01:15:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 01:15:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-29 01:15:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-29 01:15:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-29 01:15:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-29 01:15:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2023-11-29 01:15:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2023-11-29 01:15:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 01:15:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 01:15:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 01:15:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 01:15:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-29 01:15:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-29 01:15:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2023-11-29 01:15:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2023-11-29 01:15:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-11-29 01:15:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-11-29 01:15:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2023-11-29 01:15:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2023-11-29 01:15:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2023-11-29 01:15:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2023-11-29 01:15:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2023-11-29 01:15:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2023-11-29 01:15:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2023-11-29 01:15:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2023-11-29 01:15:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:15:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:15:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 01:15:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 01:15:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2023-11-29 01:15:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2023-11-29 01:15:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2023-11-29 01:15:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2023-11-29 01:15:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-29 01:15:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-29 01:15:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:15:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 01:15:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 01:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 01:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-29 01:15:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-29 01:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 01:15:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 01:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 01:15:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 01:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2023-11-29 01:15:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2023-11-29 01:15:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-29 01:15:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-29 01:15:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:15:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-29 01:15:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-29 01:15:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2023-11-29 01:15:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-29 01:15:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-29 01:15:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-29 01:15:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-29 01:15:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:15:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 01:15:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 01:15:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:15:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 01:15:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 01:15:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2023-11-29 01:15:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2023-11-29 01:15:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2023-11-29 01:15:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2023-11-29 01:15:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 01:15:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 01:15:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2023-11-29 01:15:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2023-11-29 01:15:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-29 01:15:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-29 01:15:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-29 01:15:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2023-11-29 01:15:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-29 01:15:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-29 01:15:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:15:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 01:15:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2023-11-29 01:15:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2023-11-29 01:15:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-29 01:15:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-29 01:15:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-29 01:15:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-29 01:15:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:15:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:15:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2023-11-29 01:15:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2023-11-29 01:15:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 01:15:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 01:15:43,774 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:15:43,777 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:15:43,921 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 01:15:45,784 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:15:45,992 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:15:45,992 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 01:15:45,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:15:45 BoogieIcfgContainer [2023-11-29 01:15:45,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:15:45,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:15:45,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:15:45,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:15:45,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:15:40" (1/3) ... [2023-11-29 01:15:46,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a15c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:15:45, skipping insertion in model container [2023-11-29 01:15:46,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:15:42" (2/3) ... [2023-11-29 01:15:46,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a15c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:15:46, skipping insertion in model container [2023-11-29 01:15:46,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:15:45" (3/3) ... [2023-11-29 01:15:46,001 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2023-11-29 01:15:46,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:15:46,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:15:46,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:15:46,100 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c664f99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:15:46,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:15:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 849 states, 589 states have (on average 1.4719864176570459) internal successors, (867), 611 states have internal predecessors, (867), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2023-11-29 01:15:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 01:15:46,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:46,130 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:46,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:15:46,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:46,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1180590742, now seen corresponding path program 1 times [2023-11-29 01:15:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:46,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715748189] [2023-11-29 01:15:46,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:15:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:15:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:15:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:15:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:15:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:15:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:15:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:15:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:15:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:15:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:15:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:15:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:15:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:15:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:15:47,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:47,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715748189] [2023-11-29 01:15:47,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715748189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:47,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:47,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:15:47,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452783576] [2023-11-29 01:15:47,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:47,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:15:47,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:15:47,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:15:47,118 INFO L87 Difference]: Start difference. First operand has 849 states, 589 states have (on average 1.4719864176570459) internal successors, (867), 611 states have internal predecessors, (867), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 01:15:50,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:50,384 INFO L93 Difference]: Finished difference Result 1746 states and 2659 transitions. [2023-11-29 01:15:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:15:50,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-29 01:15:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:50,409 INFO L225 Difference]: With dead ends: 1746 [2023-11-29 01:15:50,409 INFO L226 Difference]: Without dead ends: 891 [2023-11-29 01:15:50,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:15:50,420 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 820 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:50,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 1724 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 01:15:50,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2023-11-29 01:15:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 840. [2023-11-29 01:15:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 587 states have (on average 1.4514480408858603) internal successors, (852), 602 states have internal predecessors, (852), 198 states have call successors, (198), 55 states have call predecessors, (198), 54 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2023-11-29 01:15:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1239 transitions. [2023-11-29 01:15:50,550 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1239 transitions. Word has length 148 [2023-11-29 01:15:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:50,551 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1239 transitions. [2023-11-29 01:15:50,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 01:15:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1239 transitions. [2023-11-29 01:15:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 01:15:50,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:50,556 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:50,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:15:50,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:15:50,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:50,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1405848310, now seen corresponding path program 1 times [2023-11-29 01:15:50,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363776007] [2023-11-29 01:15:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:50,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:15:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:15:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:15:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:15:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:15:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:15:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:15:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:15:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:15:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:15:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:15:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:15:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:15:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:15:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:15:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363776007] [2023-11-29 01:15:51,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363776007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:51,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:51,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:15:51,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530854533] [2023-11-29 01:15:51,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:51,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:15:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:51,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:15:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:15:51,373 INFO L87 Difference]: Start difference. First operand 840 states and 1239 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 01:15:57,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:15:57,459 INFO L93 Difference]: Finished difference Result 2551 states and 3789 transitions. [2023-11-29 01:15:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:15:57,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-29 01:15:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:15:57,475 INFO L225 Difference]: With dead ends: 2551 [2023-11-29 01:15:57,476 INFO L226 Difference]: Without dead ends: 1745 [2023-11-29 01:15:57,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:15:57,481 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 2580 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 4429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1144 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:15:57,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 2799 Invalid, 4429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1144 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 01:15:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2023-11-29 01:15:57,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1627. [2023-11-29 01:15:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1147 states have (on average 1.4568439407149085) internal successors, (1671), 1170 states have internal predecessors, (1671), 372 states have call successors, (372), 108 states have call predecessors, (372), 107 states have return successors, (363), 362 states have call predecessors, (363), 363 states have call successors, (363) [2023-11-29 01:15:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2406 transitions. [2023-11-29 01:15:57,604 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2406 transitions. Word has length 148 [2023-11-29 01:15:57,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:15:57,606 INFO L495 AbstractCegarLoop]: Abstraction has 1627 states and 2406 transitions. [2023-11-29 01:15:57,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 01:15:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2406 transitions. [2023-11-29 01:15:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 01:15:57,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:15:57,610 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:15:57,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:15:57,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:15:57,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:15:57,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2038029822, now seen corresponding path program 1 times [2023-11-29 01:15:57,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:15:57,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637991488] [2023-11-29 01:15:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:15:57,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:15:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:15:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:15:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:15:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:15:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:15:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:15:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:15:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:15:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:15:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:15:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:15:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:15:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:15:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:15:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:15:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:15:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 01:15:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:15:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:15:58,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:15:58,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637991488] [2023-11-29 01:15:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637991488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:15:58,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:15:58,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:15:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891138200] [2023-11-29 01:15:58,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:15:58,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:15:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:15:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:15:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:15:58,100 INFO L87 Difference]: Start difference. First operand 1627 states and 2406 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:02,192 INFO L93 Difference]: Finished difference Result 3778 states and 5564 transitions. [2023-11-29 01:16:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:16:02,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-11-29 01:16:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:02,209 INFO L225 Difference]: With dead ends: 3778 [2023-11-29 01:16:02,209 INFO L226 Difference]: Without dead ends: 2185 [2023-11-29 01:16:02,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:16:02,216 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1253 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:02,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 2127 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:16:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2023-11-29 01:16:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2034. [2023-11-29 01:16:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1440 states have (on average 1.4555555555555555) internal successors, (2096), 1467 states have internal predecessors, (2096), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2023-11-29 01:16:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2969 transitions. [2023-11-29 01:16:02,351 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2969 transitions. Word has length 151 [2023-11-29 01:16:02,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:02,351 INFO L495 AbstractCegarLoop]: Abstraction has 2034 states and 2969 transitions. [2023-11-29 01:16:02,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2969 transitions. [2023-11-29 01:16:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 01:16:02,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:02,354 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:02,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:16:02,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:02,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:02,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1224528816, now seen corresponding path program 1 times [2023-11-29 01:16:02,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:02,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263120061] [2023-11-29 01:16:02,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:02,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:02,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:02,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263120061] [2023-11-29 01:16:02,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263120061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:02,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:02,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:16:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163835599] [2023-11-29 01:16:02,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:02,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:16:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:02,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:16:02,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:16:02,940 INFO L87 Difference]: Start difference. First operand 2034 states and 2969 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 01:16:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:07,115 INFO L93 Difference]: Finished difference Result 5803 states and 8867 transitions. [2023-11-29 01:16:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:16:07,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 01:16:07,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:07,136 INFO L225 Difference]: With dead ends: 5803 [2023-11-29 01:16:07,136 INFO L226 Difference]: Without dead ends: 3803 [2023-11-29 01:16:07,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:16:07,143 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 2903 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 3802 mSolverCounterSat, 1004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3026 SdHoareTripleChecker+Valid, 4710 SdHoareTripleChecker+Invalid, 4806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1004 IncrementalHoareTripleChecker+Valid, 3802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:07,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3026 Valid, 4710 Invalid, 4806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1004 Valid, 3802 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 01:16:07,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2023-11-29 01:16:07,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 2047. [2023-11-29 01:16:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1453 states have (on average 1.451479697178252) internal successors, (2109), 1480 states have internal predecessors, (2109), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2023-11-29 01:16:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2982 transitions. [2023-11-29 01:16:07,298 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2982 transitions. Word has length 149 [2023-11-29 01:16:07,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:07,299 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2982 transitions. [2023-11-29 01:16:07,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 01:16:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2982 transitions. [2023-11-29 01:16:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 01:16:07,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:07,302 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:07,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:16:07,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:07,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:07,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1379148462, now seen corresponding path program 1 times [2023-11-29 01:16:07,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:07,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723881778] [2023-11-29 01:16:07,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 01:16:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 01:16:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:07,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:07,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723881778] [2023-11-29 01:16:07,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723881778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:07,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:07,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:07,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787234435] [2023-11-29 01:16:07,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:07,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:16:07,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:07,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:16:07,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:16:07,839 INFO L87 Difference]: Start difference. First operand 2047 states and 2982 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 01:16:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:12,277 INFO L93 Difference]: Finished difference Result 6094 states and 8921 transitions. [2023-11-29 01:16:12,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:16:12,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2023-11-29 01:16:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:12,298 INFO L225 Difference]: With dead ends: 6094 [2023-11-29 01:16:12,298 INFO L226 Difference]: Without dead ends: 4081 [2023-11-29 01:16:12,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:16:12,304 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 3432 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 1752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1752 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:12,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 2489 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1752 Valid, 2635 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:16:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2023-11-29 01:16:12,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 3861. [2023-11-29 01:16:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 2751 states have (on average 1.4536532170119956) internal successors, (3999), 2792 states have internal predecessors, (3999), 816 states have call successors, (816), 294 states have call predecessors, (816), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2023-11-29 01:16:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5622 transitions. [2023-11-29 01:16:12,619 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5622 transitions. Word has length 153 [2023-11-29 01:16:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:12,620 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5622 transitions. [2023-11-29 01:16:12,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 01:16:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5622 transitions. [2023-11-29 01:16:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-29 01:16:12,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:12,623 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:12,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:16:12,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:12,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:12,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1487512430, now seen corresponding path program 1 times [2023-11-29 01:16:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:12,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603778111] [2023-11-29 01:16:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:16:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603778111] [2023-11-29 01:16:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603778111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:13,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:13,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:16:13,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001070539] [2023-11-29 01:16:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:13,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:16:13,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:13,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:16:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:16:13,089 INFO L87 Difference]: Start difference. First operand 3861 states and 5622 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:15,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:15,637 INFO L93 Difference]: Finished difference Result 4073 states and 5968 transitions. [2023-11-29 01:16:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:16:15,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2023-11-29 01:16:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:15,664 INFO L225 Difference]: With dead ends: 4073 [2023-11-29 01:16:15,664 INFO L226 Difference]: Without dead ends: 4070 [2023-11-29 01:16:15,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:16:15,668 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1978 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:15,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 1338 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 01:16:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4070 states. [2023-11-29 01:16:15,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4070 to 3860. [2023-11-29 01:16:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2751 states have (on average 1.4532897128316975) internal successors, (3998), 2791 states have internal predecessors, (3998), 815 states have call successors, (815), 294 states have call predecessors, (815), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2023-11-29 01:16:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5620 transitions. [2023-11-29 01:16:15,932 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5620 transitions. Word has length 155 [2023-11-29 01:16:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:15,932 INFO L495 AbstractCegarLoop]: Abstraction has 3860 states and 5620 transitions. [2023-11-29 01:16:15,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5620 transitions. [2023-11-29 01:16:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-29 01:16:15,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:15,934 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:15,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:16:15,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:15,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1131490726, now seen corresponding path program 1 times [2023-11-29 01:16:15,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:15,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193343142] [2023-11-29 01:16:15,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:15,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:16:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:16,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:16,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193343142] [2023-11-29 01:16:16,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193343142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:16,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:16,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:16:16,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824094041] [2023-11-29 01:16:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:16,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:16:16,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:16,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:16:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:16:16,271 INFO L87 Difference]: Start difference. First operand 3860 states and 5620 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:19,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:19,086 INFO L93 Difference]: Finished difference Result 4072 states and 5966 transitions. [2023-11-29 01:16:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:16:19,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2023-11-29 01:16:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:19,107 INFO L225 Difference]: With dead ends: 4072 [2023-11-29 01:16:19,107 INFO L226 Difference]: Without dead ends: 4069 [2023-11-29 01:16:19,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:16:19,109 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1762 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 2407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:19,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 1681 Invalid, 2407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 01:16:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2023-11-29 01:16:19,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 3859. [2023-11-29 01:16:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3859 states, 2751 states have (on average 1.4529262086513994) internal successors, (3997), 2790 states have internal predecessors, (3997), 814 states have call successors, (814), 294 states have call predecessors, (814), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2023-11-29 01:16:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 3859 states and 5618 transitions. [2023-11-29 01:16:19,403 INFO L78 Accepts]: Start accepts. Automaton has 3859 states and 5618 transitions. Word has length 156 [2023-11-29 01:16:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:19,404 INFO L495 AbstractCegarLoop]: Abstraction has 3859 states and 5618 transitions. [2023-11-29 01:16:19,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 5618 transitions. [2023-11-29 01:16:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 01:16:19,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:19,406 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:19,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:16:19,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:19,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:19,406 INFO L85 PathProgramCache]: Analyzing trace with hash 716214805, now seen corresponding path program 1 times [2023-11-29 01:16:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:19,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17620460] [2023-11-29 01:16:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:16:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:19,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:19,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17620460] [2023-11-29 01:16:19,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17620460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:19,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:19,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:16:19,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781137251] [2023-11-29 01:16:19,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:19,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:16:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:16:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:16:19,740 INFO L87 Difference]: Start difference. First operand 3859 states and 5618 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:22,225 INFO L93 Difference]: Finished difference Result 4479 states and 6375 transitions. [2023-11-29 01:16:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:16:22,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2023-11-29 01:16:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:22,247 INFO L225 Difference]: With dead ends: 4479 [2023-11-29 01:16:22,247 INFO L226 Difference]: Without dead ends: 4475 [2023-11-29 01:16:22,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:16:22,250 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1918 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:22,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 1459 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 01:16:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4475 states. [2023-11-29 01:16:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4475 to 4253. [2023-11-29 01:16:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4253 states, 2979 states have (on average 1.4273246055723396) internal successors, (4252), 3016 states have internal predecessors, (4252), 884 states have call successors, (884), 390 states have call predecessors, (884), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2023-11-29 01:16:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 6015 transitions. [2023-11-29 01:16:22,516 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 6015 transitions. Word has length 157 [2023-11-29 01:16:22,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:22,517 INFO L495 AbstractCegarLoop]: Abstraction has 4253 states and 6015 transitions. [2023-11-29 01:16:22,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 6015 transitions. [2023-11-29 01:16:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 01:16:22,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:22,519 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:22,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:16:22,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:22,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:22,519 INFO L85 PathProgramCache]: Analyzing trace with hash 727568009, now seen corresponding path program 1 times [2023-11-29 01:16:22,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743975683] [2023-11-29 01:16:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:16:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:22,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:22,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743975683] [2023-11-29 01:16:22,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743975683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:22,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:22,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:16:22,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109240243] [2023-11-29 01:16:22,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:22,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:16:22,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:16:22,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:16:22,907 INFO L87 Difference]: Start difference. First operand 4253 states and 6015 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:25,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:25,861 INFO L93 Difference]: Finished difference Result 4473 states and 6365 transitions. [2023-11-29 01:16:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:16:25,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2023-11-29 01:16:25,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:25,882 INFO L225 Difference]: With dead ends: 4473 [2023-11-29 01:16:25,882 INFO L226 Difference]: Without dead ends: 4470 [2023-11-29 01:16:25,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:16:25,884 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 1753 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:25,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 1671 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [714 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-29 01:16:25,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2023-11-29 01:16:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4252. [2023-11-29 01:16:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4252 states, 2979 states have (on average 1.4269889224572003) internal successors, (4251), 3015 states have internal predecessors, (4251), 883 states have call successors, (883), 390 states have call predecessors, (883), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2023-11-29 01:16:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 6013 transitions. [2023-11-29 01:16:26,190 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 6013 transitions. Word has length 158 [2023-11-29 01:16:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:26,191 INFO L495 AbstractCegarLoop]: Abstraction has 4252 states and 6013 transitions. [2023-11-29 01:16:26,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 6013 transitions. [2023-11-29 01:16:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-29 01:16:26,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:26,194 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:26,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:16:26,195 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:26,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:26,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1079522200, now seen corresponding path program 1 times [2023-11-29 01:16:26,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861658324] [2023-11-29 01:16:26,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 01:16:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 01:16:26,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:26,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861658324] [2023-11-29 01:16:26,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861658324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:26,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:26,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:16:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71698617] [2023-11-29 01:16:26,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:26,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:16:26,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:26,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:16:26,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:16:26,646 INFO L87 Difference]: Start difference. First operand 4252 states and 6013 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:30,564 INFO L93 Difference]: Finished difference Result 13004 states and 18590 transitions. [2023-11-29 01:16:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:16:30,565 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), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2023-11-29 01:16:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:30,599 INFO L225 Difference]: With dead ends: 13004 [2023-11-29 01:16:30,599 INFO L226 Difference]: Without dead ends: 8761 [2023-11-29 01:16:30,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:16:30,615 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 2495 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1333 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:30,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 1839 Invalid, 3817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1333 Valid, 2484 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:16:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8761 states. [2023-11-29 01:16:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8761 to 8313. [2023-11-29 01:16:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8313 states, 5845 states have (on average 1.4278870829769033) internal successors, (8346), 5923 states have internal predecessors, (8346), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2023-11-29 01:16:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8313 states to 8313 states and 11819 transitions. [2023-11-29 01:16:31,431 INFO L78 Accepts]: Start accepts. Automaton has 8313 states and 11819 transitions. Word has length 159 [2023-11-29 01:16:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:31,432 INFO L495 AbstractCegarLoop]: Abstraction has 8313 states and 11819 transitions. [2023-11-29 01:16:31,432 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), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-29 01:16:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 8313 states and 11819 transitions. [2023-11-29 01:16:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 01:16:31,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:31,439 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:31,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:16:31,440 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:31,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1871188354, now seen corresponding path program 1 times [2023-11-29 01:16:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:31,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133515923] [2023-11-29 01:16:31,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 01:16:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 01:16:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:16:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 01:16:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:16:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-29 01:16:31,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:31,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133515923] [2023-11-29 01:16:31,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133515923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:31,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:31,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905032167] [2023-11-29 01:16:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:31,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:16:31,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:31,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:16:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:16:31,979 INFO L87 Difference]: Start difference. First operand 8313 states and 11819 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 01:16:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:35,511 INFO L93 Difference]: Finished difference Result 17012 states and 24274 transitions. [2023-11-29 01:16:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:16:35,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 210 [2023-11-29 01:16:35,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:35,541 INFO L225 Difference]: With dead ends: 17012 [2023-11-29 01:16:35,541 INFO L226 Difference]: Without dead ends: 8733 [2023-11-29 01:16:35,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:16:35,564 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1265 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 2541 SdHoareTripleChecker+Invalid, 3403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:35,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 2541 Invalid, 3403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:16:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8733 states. [2023-11-29 01:16:36,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 8317. [2023-11-29 01:16:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8317 states, 5849 states have (on average 1.427594460591554) internal successors, (8350), 5927 states have internal predecessors, (8350), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2023-11-29 01:16:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 11823 transitions. [2023-11-29 01:16:36,142 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 11823 transitions. Word has length 210 [2023-11-29 01:16:36,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:36,143 INFO L495 AbstractCegarLoop]: Abstraction has 8317 states and 11823 transitions. [2023-11-29 01:16:36,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 01:16:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 11823 transitions. [2023-11-29 01:16:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 01:16:36,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:36,154 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:36,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:16:36,154 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:36,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:36,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1675181218, now seen corresponding path program 1 times [2023-11-29 01:16:36,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:36,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169517320] [2023-11-29 01:16:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:36,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:16:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 01:16:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 01:16:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:16:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 01:16:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:16:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-11-29 01:16:36,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:36,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169517320] [2023-11-29 01:16:36,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169517320] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:16:36,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661422377] [2023-11-29 01:16:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:36,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:16:36,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:16:36,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:16:36,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:16:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:37,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:16:37,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:16:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2023-11-29 01:16:37,530 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:16:37,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661422377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:37,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:16:37,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 01:16:37,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629641145] [2023-11-29 01:16:37,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:37,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:16:37,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:37,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:16:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:16:37,533 INFO L87 Difference]: Start difference. First operand 8317 states and 11823 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 01:16:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:38,333 INFO L93 Difference]: Finished difference Result 12952 states and 18345 transitions. [2023-11-29 01:16:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:16:38,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2023-11-29 01:16:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:38,346 INFO L225 Difference]: With dead ends: 12952 [2023-11-29 01:16:38,346 INFO L226 Difference]: Without dead ends: 4665 [2023-11-29 01:16:38,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:16:38,365 INFO L413 NwaCegarLoop]: 1142 mSDtfsCounter, 9 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:38,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2272 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:16:38,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2023-11-29 01:16:38,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4644. [2023-11-29 01:16:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4644 states, 3245 states have (on average 1.4181818181818182) internal successors, (4602), 3290 states have internal predecessors, (4602), 956 states have call successors, (956), 442 states have call predecessors, (956), 442 states have return successors, (981), 943 states have call predecessors, (981), 949 states have call successors, (981) [2023-11-29 01:16:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 6539 transitions. [2023-11-29 01:16:38,626 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 6539 transitions. Word has length 219 [2023-11-29 01:16:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:38,627 INFO L495 AbstractCegarLoop]: Abstraction has 4644 states and 6539 transitions. [2023-11-29 01:16:38,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 01:16:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 6539 transitions. [2023-11-29 01:16:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 01:16:38,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:38,633 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:38,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:16:38,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:16:38,834 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:38,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:38,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1791750025, now seen corresponding path program 1 times [2023-11-29 01:16:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857880498] [2023-11-29 01:16:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:38,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:16:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 01:16:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 01:16:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:16:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:16:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 01:16:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 01:16:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 01:16:39,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857880498] [2023-11-29 01:16:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857880498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:16:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671083296] [2023-11-29 01:16:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:39,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:16:39,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:16:39,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:16:39,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:16:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:40,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:16:40,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:16:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-29 01:16:40,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:16:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 01:16:40,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671083296] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:16:40,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:16:40,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-29 01:16:40,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335486001] [2023-11-29 01:16:40,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:16:40,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:16:40,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:40,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:16:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:16:40,445 INFO L87 Difference]: Start difference. First operand 4644 states and 6539 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2023-11-29 01:16:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:44,437 INFO L93 Difference]: Finished difference Result 9348 states and 13222 transitions. [2023-11-29 01:16:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:16:44,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 233 [2023-11-29 01:16:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:44,449 INFO L225 Difference]: With dead ends: 9348 [2023-11-29 01:16:44,449 INFO L226 Difference]: Without dead ends: 4917 [2023-11-29 01:16:44,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:16:44,460 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1267 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 3326 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 3027 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 3326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:44,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 3027 Invalid, 4167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 3326 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:16:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2023-11-29 01:16:44,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4704. [2023-11-29 01:16:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4704 states, 3281 states have (on average 1.4135934166412678) internal successors, (4638), 3326 states have internal predecessors, (4638), 980 states have call successors, (980), 442 states have call predecessors, (980), 442 states have return successors, (1005), 967 states have call predecessors, (1005), 973 states have call successors, (1005) [2023-11-29 01:16:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4704 states to 4704 states and 6623 transitions. [2023-11-29 01:16:44,773 INFO L78 Accepts]: Start accepts. Automaton has 4704 states and 6623 transitions. Word has length 233 [2023-11-29 01:16:44,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:44,773 INFO L495 AbstractCegarLoop]: Abstraction has 4704 states and 6623 transitions. [2023-11-29 01:16:44,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2023-11-29 01:16:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4704 states and 6623 transitions. [2023-11-29 01:16:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-29 01:16:44,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:44,778 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:44,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:16:44,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:16:44,979 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:44,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 936188585, now seen corresponding path program 2 times [2023-11-29 01:16:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629916887] [2023-11-29 01:16:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:16:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:16:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:16:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:16:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:16:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:16:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:16:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 01:16:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 01:16:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:16:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 01:16:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 01:16:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 01:16:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-29 01:16:45,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629916887] [2023-11-29 01:16:45,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629916887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:45,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:45,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:45,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271545937] [2023-11-29 01:16:45,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:45,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:16:45,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:45,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:16:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:16:45,718 INFO L87 Difference]: Start difference. First operand 4704 states and 6623 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:16:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:49,375 INFO L93 Difference]: Finished difference Result 4925 states and 6972 transitions. [2023-11-29 01:16:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:16:49,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 260 [2023-11-29 01:16:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:49,386 INFO L225 Difference]: With dead ends: 4925 [2023-11-29 01:16:49,386 INFO L226 Difference]: Without dead ends: 4922 [2023-11-29 01:16:49,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:16:49,388 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1572 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:49,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 2390 Invalid, 3431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [888 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:16:49,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2023-11-29 01:16:49,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 4703. [2023-11-29 01:16:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4703 states, 3281 states have (on average 1.4123742761353246) internal successors, (4634), 3325 states have internal predecessors, (4634), 979 states have call successors, (979), 442 states have call predecessors, (979), 442 states have return successors, (1005), 967 states have call predecessors, (1005), 973 states have call successors, (1005) [2023-11-29 01:16:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4703 states to 4703 states and 6618 transitions. [2023-11-29 01:16:49,661 INFO L78 Accepts]: Start accepts. Automaton has 4703 states and 6618 transitions. Word has length 260 [2023-11-29 01:16:49,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:49,661 INFO L495 AbstractCegarLoop]: Abstraction has 4703 states and 6618 transitions. [2023-11-29 01:16:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:16:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4703 states and 6618 transitions. [2023-11-29 01:16:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-29 01:16:49,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:49,667 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:16:49,668 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:49,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1200230106, now seen corresponding path program 1 times [2023-11-29 01:16:49,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:49,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484225651] [2023-11-29 01:16:49,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:16:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:16:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:16:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:16:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:16:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:16:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:16:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 01:16:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 01:16:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:16:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 01:16:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 01:16:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-29 01:16:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-29 01:16:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:16:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 01:16:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-29 01:16:50,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:50,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484225651] [2023-11-29 01:16:50,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484225651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:50,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:50,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:16:50,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105607415] [2023-11-29 01:16:50,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:50,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:16:50,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:16:50,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:16:50,365 INFO L87 Difference]: Start difference. First operand 4703 states and 6618 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 01:16:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:55,429 INFO L93 Difference]: Finished difference Result 9422 states and 13297 transitions. [2023-11-29 01:16:55,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:16:55,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 288 [2023-11-29 01:16:55,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:55,439 INFO L225 Difference]: With dead ends: 9422 [2023-11-29 01:16:55,439 INFO L226 Difference]: Without dead ends: 4932 [2023-11-29 01:16:55,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2023-11-29 01:16:55,447 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 3033 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 3374 mSolverCounterSat, 1540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 4914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1540 IncrementalHoareTripleChecker+Valid, 3374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:55,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 3566 Invalid, 4914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1540 Valid, 3374 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 01:16:55,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2023-11-29 01:16:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4660. [2023-11-29 01:16:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4660 states, 3246 states have (on average 1.4106592729513248) internal successors, (4579), 3292 states have internal predecessors, (4579), 973 states have call successors, (973), 437 states have call predecessors, (973), 440 states have return successors, (974), 962 states have call predecessors, (974), 960 states have call successors, (974) [2023-11-29 01:16:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 6526 transitions. [2023-11-29 01:16:55,894 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 6526 transitions. Word has length 288 [2023-11-29 01:16:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:55,895 INFO L495 AbstractCegarLoop]: Abstraction has 4660 states and 6526 transitions. [2023-11-29 01:16:55,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 01:16:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 6526 transitions. [2023-11-29 01:16:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-29 01:16:55,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:55,905 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:55,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:16:55,905 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:55,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1169210299, now seen corresponding path program 1 times [2023-11-29 01:16:55,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:55,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513343632] [2023-11-29 01:16:55,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:16:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:16:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:16:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:16:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:16:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:16:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:16:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:16:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:16:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:16:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:16:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:16:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:16:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:16:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:16:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:16:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:16:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:16:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:16:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:16:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:16:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:16:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:16:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 01:16:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 01:16:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:16:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 01:16:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 01:16:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-29 01:16:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-29 01:16:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:16:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 01:16:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:16:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:16:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2023-11-29 01:16:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:56,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513343632] [2023-11-29 01:16:56,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513343632] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:16:56,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401737665] [2023-11-29 01:16:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:56,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:16:56,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:16:56,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:16:56,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:16:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:57,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:16:57,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:16:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 219 proven. 34 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-29 01:16:57,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:16:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2023-11-29 01:16:58,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401737665] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:16:58,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:16:58,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 15 [2023-11-29 01:16:58,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138021469] [2023-11-29 01:16:58,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:16:58,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 01:16:58,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:58,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 01:16:58,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:16:58,064 INFO L87 Difference]: Start difference. First operand 4660 states and 6526 transitions. Second operand has 15 states, 15 states have (on average 9.533333333333333) internal successors, (143), 11 states have internal predecessors, (143), 10 states have call successors, (82), 6 states have call predecessors, (82), 2 states have return successors, (59), 10 states have call predecessors, (59), 10 states have call successors, (59) [2023-11-29 01:17:02,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:02,784 INFO L93 Difference]: Finished difference Result 9416 states and 13242 transitions. [2023-11-29 01:17:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 01:17:02,785 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.533333333333333) internal successors, (143), 11 states have internal predecessors, (143), 10 states have call successors, (82), 6 states have call predecessors, (82), 2 states have return successors, (59), 10 states have call predecessors, (59), 10 states have call successors, (59) Word has length 288 [2023-11-29 01:17:02,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:02,797 INFO L225 Difference]: With dead ends: 9416 [2023-11-29 01:17:02,797 INFO L226 Difference]: Without dead ends: 4969 [2023-11-29 01:17:02,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 677 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:17:02,805 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 1281 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 4009 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 4817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 4009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:02,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 3033 Invalid, 4817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 4009 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 01:17:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states. [2023-11-29 01:17:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 4740. [2023-11-29 01:17:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4740 states, 3294 states have (on average 1.4046751669702489) internal successors, (4627), 3340 states have internal predecessors, (4627), 1005 states have call successors, (1005), 437 states have call predecessors, (1005), 440 states have return successors, (1006), 994 states have call predecessors, (1006), 992 states have call successors, (1006) [2023-11-29 01:17:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 6638 transitions. [2023-11-29 01:17:03,174 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 6638 transitions. Word has length 288 [2023-11-29 01:17:03,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:03,175 INFO L495 AbstractCegarLoop]: Abstraction has 4740 states and 6638 transitions. [2023-11-29 01:17:03,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.533333333333333) internal successors, (143), 11 states have internal predecessors, (143), 10 states have call successors, (82), 6 states have call predecessors, (82), 2 states have return successors, (59), 10 states have call predecessors, (59), 10 states have call successors, (59) [2023-11-29 01:17:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 6638 transitions. [2023-11-29 01:17:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-11-29 01:17:03,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:03,184 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:03,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 01:17:03,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf49353-00b1-45d2-ae26-53118f230a0d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:17:03,384 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:03,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:03,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1911969892, now seen corresponding path program 1 times [2023-11-29 01:17:03,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:03,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785873233] [2023-11-29 01:17:03,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 01:17:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 01:17:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 01:17:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 01:17:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-29 01:17:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 01:17:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 928 trivial. 0 not checked. [2023-11-29 01:17:04,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:04,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785873233] [2023-11-29 01:17:04,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785873233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:04,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:04,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:17:04,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184661211] [2023-11-29 01:17:04,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:04,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:17:04,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:04,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:17:04,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:17:04,100 INFO L87 Difference]: Start difference. First operand 4740 states and 6638 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-29 01:17:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:08,918 INFO L93 Difference]: Finished difference Result 11793 states and 16537 transitions. [2023-11-29 01:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:08,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 325 [2023-11-29 01:17:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:08,933 INFO L225 Difference]: With dead ends: 11793 [2023-11-29 01:17:08,933 INFO L226 Difference]: Without dead ends: 7266 [2023-11-29 01:17:08,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-29 01:17:08,942 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 3028 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 2929 mSolverCounterSat, 1549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 2929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:08,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 2589 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 2929 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:17:08,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7266 states. [2023-11-29 01:17:09,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7266 to 6668. [2023-11-29 01:17:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 4674 states have (on average 1.4088575096277278) internal successors, (6585), 4744 states have internal predecessors, (6585), 1342 states have call successors, (1342), 646 states have call predecessors, (1342), 651 states have return successors, (1345), 1327 states have call predecessors, (1345), 1329 states have call successors, (1345) [2023-11-29 01:17:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 9272 transitions. [2023-11-29 01:17:09,395 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 9272 transitions. Word has length 325 [2023-11-29 01:17:09,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:09,395 INFO L495 AbstractCegarLoop]: Abstraction has 6668 states and 9272 transitions. [2023-11-29 01:17:09,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-29 01:17:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 9272 transitions. [2023-11-29 01:17:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-29 01:17:09,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:09,400 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:09,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:17:09,401 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:09,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:09,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1833354171, now seen corresponding path program 2 times [2023-11-29 01:17:09,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:09,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69792370] [2023-11-29 01:17:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 01:17:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-29 01:17:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 01:17:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 01:17:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 01:17:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 01:17:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 928 trivial. 0 not checked. [2023-11-29 01:17:10,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:10,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69792370] [2023-11-29 01:17:10,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69792370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:10,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:10,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:17:10,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786831110] [2023-11-29 01:17:10,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:10,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:17:10,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:10,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:17:10,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:17:10,169 INFO L87 Difference]: Start difference. First operand 6668 states and 9272 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 01:17:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:15,140 INFO L93 Difference]: Finished difference Result 13540 states and 18891 transitions. [2023-11-29 01:17:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 324 [2023-11-29 01:17:15,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:15,154 INFO L225 Difference]: With dead ends: 13540 [2023-11-29 01:17:15,154 INFO L226 Difference]: Without dead ends: 7045 [2023-11-29 01:17:15,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:17:15,164 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 1307 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 4912 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 5677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 4912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:15,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 3565 Invalid, 5677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 4912 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:17:15,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7045 states. [2023-11-29 01:17:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7045 to 6590. [2023-11-29 01:17:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6590 states, 4623 states have (on average 1.409258057538395) internal successors, (6515), 4696 states have internal predecessors, (6515), 1325 states have call successors, (1325), 636 states have call predecessors, (1325), 641 states have return successors, (1328), 1307 states have call predecessors, (1328), 1312 states have call successors, (1328) [2023-11-29 01:17:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9168 transitions. [2023-11-29 01:17:15,656 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9168 transitions. Word has length 324 [2023-11-29 01:17:15,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:15,656 INFO L495 AbstractCegarLoop]: Abstraction has 6590 states and 9168 transitions. [2023-11-29 01:17:15,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 01:17:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9168 transitions. [2023-11-29 01:17:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-11-29 01:17:15,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:15,662 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:15,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 01:17:15,662 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:15,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash 149390031, now seen corresponding path program 1 times [2023-11-29 01:17:15,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:15,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816940131] [2023-11-29 01:17:15,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 01:17:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 01:17:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-29 01:17:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:17:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-11-29 01:17:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2023-11-29 01:17:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816940131] [2023-11-29 01:17:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816940131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:16,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:16,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791389181] [2023-11-29 01:17:16,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:16,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:17:16,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:16,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:17:16,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:17:16,597 INFO L87 Difference]: Start difference. First operand 6590 states and 9168 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 01:17:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:21,273 INFO L93 Difference]: Finished difference Result 7829 states and 11018 transitions. [2023-11-29 01:17:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:21,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 338 [2023-11-29 01:17:21,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:21,287 INFO L225 Difference]: With dead ends: 7829 [2023-11-29 01:17:21,287 INFO L226 Difference]: Without dead ends: 6942 [2023-11-29 01:17:21,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:17:21,291 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1988 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 4544 mSolverCounterSat, 1357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1357 IncrementalHoareTripleChecker+Valid, 4544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:21,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 3544 Invalid, 5901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1357 Valid, 4544 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:17:21,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2023-11-29 01:17:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 5952. [2023-11-29 01:17:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 4160 states have (on average 1.398076923076923) internal successors, (5816), 4220 states have internal predecessors, (5816), 1182 states have call successors, (1182), 604 states have call predecessors, (1182), 609 states have return successors, (1186), 1168 states have call predecessors, (1186), 1170 states have call successors, (1186) [2023-11-29 01:17:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8184 transitions. [2023-11-29 01:17:21,708 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8184 transitions. Word has length 338 [2023-11-29 01:17:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:21,708 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8184 transitions. [2023-11-29 01:17:21,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 01:17:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8184 transitions. [2023-11-29 01:17:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-29 01:17:21,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:21,714 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:21,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:17:21,714 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:21,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:21,715 INFO L85 PathProgramCache]: Analyzing trace with hash 618262627, now seen corresponding path program 1 times [2023-11-29 01:17:21,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:21,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008285065] [2023-11-29 01:17:21,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:21,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-29 01:17:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 01:17:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-11-29 01:17:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-29 01:17:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-29 01:17:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2023-11-29 01:17:22,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:22,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008285065] [2023-11-29 01:17:22,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008285065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:22,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:22,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 01:17:22,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76480593] [2023-11-29 01:17:22,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:22,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:17:22,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:22,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:17:22,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:17:22,511 INFO L87 Difference]: Start difference. First operand 5952 states and 8184 transitions. Second operand has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 01:17:28,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:28,496 INFO L93 Difference]: Finished difference Result 12715 states and 17730 transitions. [2023-11-29 01:17:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:17:28,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 348 [2023-11-29 01:17:28,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:28,542 INFO L225 Difference]: With dead ends: 12715 [2023-11-29 01:17:28,542 INFO L226 Difference]: Without dead ends: 6978 [2023-11-29 01:17:28,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:17:28,549 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 2426 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 1511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2426 SdHoareTripleChecker+Valid, 3761 SdHoareTripleChecker+Invalid, 5893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1511 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:28,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2426 Valid, 3761 Invalid, 5893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1511 Valid, 4382 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:17:28,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6978 states. [2023-11-29 01:17:29,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6978 to 5964. [2023-11-29 01:17:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5964 states, 4172 states have (on average 1.3969319271332694) internal successors, (5828), 4232 states have internal predecessors, (5828), 1182 states have call successors, (1182), 604 states have call predecessors, (1182), 609 states have return successors, (1186), 1168 states have call predecessors, (1186), 1170 states have call successors, (1186) [2023-11-29 01:17:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5964 states to 5964 states and 8196 transitions. [2023-11-29 01:17:29,067 INFO L78 Accepts]: Start accepts. Automaton has 5964 states and 8196 transitions. Word has length 348 [2023-11-29 01:17:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:29,068 INFO L495 AbstractCegarLoop]: Abstraction has 5964 states and 8196 transitions. [2023-11-29 01:17:29,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 01:17:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5964 states and 8196 transitions. [2023-11-29 01:17:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-29 01:17:29,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:29,074 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:29,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 01:17:29,074 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:29,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:29,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1771330170, now seen corresponding path program 1 times [2023-11-29 01:17:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:29,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383790071] [2023-11-29 01:17:29,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-29 01:17:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 01:17:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 01:17:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-29 01:17:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-29 01:17:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-29 01:17:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2023-11-29 01:17:30,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383790071] [2023-11-29 01:17:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383790071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:30,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:30,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:17:30,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867231788] [2023-11-29 01:17:30,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:30,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:17:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:17:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:17:30,188 INFO L87 Difference]: Start difference. First operand 5964 states and 8196 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (35), 9 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 01:17:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:36,809 INFO L93 Difference]: Finished difference Result 9213 states and 12864 transitions. [2023-11-29 01:17:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:17:36,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (35), 9 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 349 [2023-11-29 01:17:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:36,827 INFO L225 Difference]: With dead ends: 9213 [2023-11-29 01:17:36,827 INFO L226 Difference]: Without dead ends: 6940 [2023-11-29 01:17:36,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2023-11-29 01:17:36,833 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 2177 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 4927 mSolverCounterSat, 1105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 4237 SdHoareTripleChecker+Invalid, 6032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1105 IncrementalHoareTripleChecker+Valid, 4927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:36,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 4237 Invalid, 6032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1105 Valid, 4927 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 01:17:36,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2023-11-29 01:17:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 5950. [2023-11-29 01:17:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5950 states, 4162 states have (on average 1.3969245555021623) internal successors, (5814), 4222 states have internal predecessors, (5814), 1182 states have call successors, (1182), 604 states have call predecessors, (1182), 605 states have return successors, (1182), 1164 states have call predecessors, (1182), 1170 states have call successors, (1182) [2023-11-29 01:17:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 8178 transitions. [2023-11-29 01:17:37,345 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 8178 transitions. Word has length 349 [2023-11-29 01:17:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:37,346 INFO L495 AbstractCegarLoop]: Abstraction has 5950 states and 8178 transitions. [2023-11-29 01:17:37,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (35), 9 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 01:17:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 8178 transitions. [2023-11-29 01:17:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-11-29 01:17:37,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:37,355 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:37,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:17:37,355 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:37,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:37,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2039933156, now seen corresponding path program 1 times [2023-11-29 01:17:37,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:37,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8366416] [2023-11-29 01:17:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:37,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:17:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:17:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:17:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:17:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-29 01:17:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 01:17:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-29 01:17:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-11-29 01:17:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-29 01:17:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-29 01:17:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-29 01:17:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-11-29 01:17:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-29 01:17:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2023-11-29 01:17:37,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8366416] [2023-11-29 01:17:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8366416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:37,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:37,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:37,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84586578] [2023-11-29 01:17:37,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:37,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:17:37,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:37,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:17:37,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:17:37,913 INFO L87 Difference]: Start difference. First operand 5950 states and 8178 transitions. Second operand has 10 states, 10 states have (on average 13.1) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 01:17:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:42,759 INFO L93 Difference]: Finished difference Result 12681 states and 17720 transitions. [2023-11-29 01:17:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:42,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 388 [2023-11-29 01:17:42,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:42,773 INFO L225 Difference]: With dead ends: 12681 [2023-11-29 01:17:42,773 INFO L226 Difference]: Without dead ends: 6946 [2023-11-29 01:17:42,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2023-11-29 01:17:42,783 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 3040 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 3157 mSolverCounterSat, 1891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 3305 SdHoareTripleChecker+Invalid, 5048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 3157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:42,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 3305 Invalid, 5048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 3157 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 01:17:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6946 states. [2023-11-29 01:17:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6946 to 5950. [2023-11-29 01:17:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5950 states, 4162 states have (on average 1.3925997116770783) internal successors, (5796), 4222 states have internal predecessors, (5796), 1182 states have call successors, (1182), 604 states have call predecessors, (1182), 605 states have return successors, (1182), 1164 states have call predecessors, (1182), 1170 states have call successors, (1182) [2023-11-29 01:17:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 8160 transitions. [2023-11-29 01:17:43,253 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 8160 transitions. Word has length 388 [2023-11-29 01:17:43,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:43,253 INFO L495 AbstractCegarLoop]: Abstraction has 5950 states and 8160 transitions. [2023-11-29 01:17:43,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 01:17:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 8160 transitions. [2023-11-29 01:17:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2023-11-29 01:17:43,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:43,262 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:43,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:17:43,263 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:43,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1689573040, now seen corresponding path program 1 times [2023-11-29 01:17:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:43,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526676670] [2023-11-29 01:17:43,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:43,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:17:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:17:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:17:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:17:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-29 01:17:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 01:17:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-29 01:17:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-29 01:17:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-29 01:17:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-29 01:17:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-29 01:17:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-29 01:17:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-29 01:17:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2023-11-29 01:17:44,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:44,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526676670] [2023-11-29 01:17:44,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526676670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:44,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:44,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 01:17:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372774877] [2023-11-29 01:17:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:44,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:17:44,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:44,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:17:44,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:17:44,020 INFO L87 Difference]: Start difference. First operand 5950 states and 8160 transitions. Second operand has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 01:17:49,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:49,844 INFO L93 Difference]: Finished difference Result 9201 states and 12824 transitions. [2023-11-29 01:17:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:17:49,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 391 [2023-11-29 01:17:49,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:49,856 INFO L225 Difference]: With dead ends: 9201 [2023-11-29 01:17:49,857 INFO L226 Difference]: Without dead ends: 6940 [2023-11-29 01:17:49,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:17:49,861 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 2911 mSDsluCounter, 3993 mSDsCounter, 0 mSdLazyCounter, 5031 mSolverCounterSat, 1658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 6689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 5031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:49,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 4588 Invalid, 6689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1658 Valid, 5031 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:17:49,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2023-11-29 01:17:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 5948. [2023-11-29 01:17:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5948 states, 4160 states have (on average 1.3923076923076922) internal successors, (5792), 4220 states have internal predecessors, (5792), 1182 states have call successors, (1182), 604 states have call predecessors, (1182), 605 states have return successors, (1182), 1164 states have call predecessors, (1182), 1170 states have call successors, (1182) [2023-11-29 01:17:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5948 states to 5948 states and 8156 transitions. [2023-11-29 01:17:50,280 INFO L78 Accepts]: Start accepts. Automaton has 5948 states and 8156 transitions. Word has length 391 [2023-11-29 01:17:50,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:50,281 INFO L495 AbstractCegarLoop]: Abstraction has 5948 states and 8156 transitions. [2023-11-29 01:17:50,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (40), 9 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-29 01:17:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5948 states and 8156 transitions. [2023-11-29 01:17:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-29 01:17:50,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:50,289 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:50,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:17:50,289 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:50,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1159745340, now seen corresponding path program 1 times [2023-11-29 01:17:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448923040] [2023-11-29 01:17:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:17:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:17:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:17:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:17:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-29 01:17:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 01:17:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-29 01:17:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-29 01:17:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-29 01:17:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-29 01:17:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-29 01:17:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-29 01:17:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-29 01:17:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-29 01:17:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-29 01:17:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 01:17:51,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448923040] [2023-11-29 01:17:51,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448923040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:51,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:51,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293363250] [2023-11-29 01:17:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:51,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:17:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:17:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:17:51,094 INFO L87 Difference]: Start difference. First operand 5948 states and 8156 transitions. Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 4 states have internal predecessors, (136), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 01:17:57,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:57,113 INFO L93 Difference]: Finished difference Result 12791 states and 17803 transitions. [2023-11-29 01:17:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:17:57,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 4 states have internal predecessors, (136), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 403 [2023-11-29 01:17:57,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:57,128 INFO L225 Difference]: With dead ends: 12791 [2023-11-29 01:17:57,128 INFO L226 Difference]: Without dead ends: 7058 [2023-11-29 01:17:57,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:17:57,136 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 2223 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 4285 mSolverCounterSat, 1306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 5591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1306 IncrementalHoareTripleChecker+Valid, 4285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:57,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 3921 Invalid, 5591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1306 Valid, 4285 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 01:17:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2023-11-29 01:17:57,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 6020. [2023-11-29 01:17:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6020 states, 4212 states have (on average 1.3912630579297245) internal successors, (5860), 4270 states have internal predecessors, (5860), 1202 states have call successors, (1202), 604 states have call predecessors, (1202), 605 states have return successors, (1204), 1186 states have call predecessors, (1204), 1190 states have call successors, (1204) [2023-11-29 01:17:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6020 states to 6020 states and 8266 transitions. [2023-11-29 01:17:57,654 INFO L78 Accepts]: Start accepts. Automaton has 6020 states and 8266 transitions. Word has length 403 [2023-11-29 01:17:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 6020 states and 8266 transitions. [2023-11-29 01:17:57,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 4 states have internal predecessors, (136), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 01:17:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6020 states and 8266 transitions. [2023-11-29 01:17:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-29 01:17:57,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:57,664 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:57,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:17:57,664 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:57,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:57,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1137113086, now seen corresponding path program 1 times [2023-11-29 01:17:57,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:17:57,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014350869] [2023-11-29 01:17:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:17:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:17:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:17:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:17:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:17:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:17:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:17:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:17:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:17:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:17:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:17:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:17:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:17:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:17:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:17:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:17:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:17:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:17:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:17:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:17:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:17:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:17:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:17:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:17:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:17:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:17:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:17:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:17:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:17:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:17:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:17:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:17:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:17:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:17:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:17:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:17:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:17:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:17:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:17:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:17:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:17:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-29 01:17:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 01:17:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-29 01:17:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-29 01:17:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-11-29 01:17:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-29 01:17:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:17:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-29 01:17:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-29 01:17:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-29 01:17:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-29 01:17:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-29 01:17:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:17:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2023-11-29 01:17:58,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:17:58,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014350869] [2023-11-29 01:17:58,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014350869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:58,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:58,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:17:58,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440175704] [2023-11-29 01:17:58,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:58,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:17:58,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:17:58,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:17:58,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:17:58,484 INFO L87 Difference]: Start difference. First operand 6020 states and 8266 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 01:18:07,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:07,002 INFO L93 Difference]: Finished difference Result 16544 states and 23011 transitions. [2023-11-29 01:18:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 01:18:07,003 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 403 [2023-11-29 01:18:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:07,022 INFO L225 Difference]: With dead ends: 16544 [2023-11-29 01:18:07,022 INFO L226 Difference]: Without dead ends: 10739 [2023-11-29 01:18:07,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2023-11-29 01:18:07,030 INFO L413 NwaCegarLoop]: 953 mSDtfsCounter, 3099 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 6390 mSolverCounterSat, 1528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 7918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1528 IncrementalHoareTripleChecker+Valid, 6390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:07,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 5994 Invalid, 7918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1528 Valid, 6390 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-29 01:18:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10739 states. [2023-11-29 01:18:07,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10739 to 7445. [2023-11-29 01:18:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7445 states, 5210 states have (on average 1.3892514395393474) internal successors, (7238), 5284 states have internal predecessors, (7238), 1483 states have call successors, (1483), 749 states have call predecessors, (1483), 751 states have return successors, (1486), 1462 states have call predecessors, (1486), 1471 states have call successors, (1486) [2023-11-29 01:18:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 10207 transitions. [2023-11-29 01:18:07,669 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 10207 transitions. Word has length 403 [2023-11-29 01:18:07,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:07,669 INFO L495 AbstractCegarLoop]: Abstraction has 7445 states and 10207 transitions. [2023-11-29 01:18:07,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 01:18:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 10207 transitions. [2023-11-29 01:18:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2023-11-29 01:18:07,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:07,680 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:07,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 01:18:07,680 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:07,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1449281445, now seen corresponding path program 1 times [2023-11-29 01:18:07,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614219020] [2023-11-29 01:18:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:18:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:18:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:18:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:18:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:18:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:18:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:18:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:18:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:18:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:18:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:18:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:18:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:18:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:18:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:18:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:18:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:18:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:18:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:18:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:18:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:18:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:18:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:18:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:18:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:18:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:18:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:18:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:18:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:18:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:18:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:18:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:18:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:18:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:18:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:18:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:18:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:18:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:18:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-29 01:18:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 01:18:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-29 01:18:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-11-29 01:18:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-29 01:18:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-11-29 01:18:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-29 01:18:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-29 01:18:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2023-11-29 01:18:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-29 01:18:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-29 01:18:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:18:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-11-29 01:18:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-29 01:18:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2023-11-29 01:18:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-29 01:18:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2023-11-29 01:18:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-29 01:18:08,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:08,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614219020] [2023-11-29 01:18:08,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614219020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:08,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:08,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:18:08,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247763335] [2023-11-29 01:18:08,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:08,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:18:08,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:18:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:18:08,241 INFO L87 Difference]: Start difference. First operand 7445 states and 10207 transitions. Second operand has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:13,285 INFO L93 Difference]: Finished difference Result 15932 states and 22144 transitions. [2023-11-29 01:18:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 01:18:13,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 446 [2023-11-29 01:18:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:13,309 INFO L225 Difference]: With dead ends: 15932 [2023-11-29 01:18:13,309 INFO L226 Difference]: Without dead ends: 8702 [2023-11-29 01:18:13,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:18:13,319 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 2232 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 1299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 3278 SdHoareTripleChecker+Invalid, 4671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1299 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:13,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 3278 Invalid, 4671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1299 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-29 01:18:13,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8702 states. [2023-11-29 01:18:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8702 to 7450. [2023-11-29 01:18:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7450 states, 5215 states have (on average 1.3888782358581016) internal successors, (7243), 5289 states have internal predecessors, (7243), 1483 states have call successors, (1483), 749 states have call predecessors, (1483), 751 states have return successors, (1486), 1462 states have call predecessors, (1486), 1471 states have call successors, (1486) [2023-11-29 01:18:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 10212 transitions. [2023-11-29 01:18:13,970 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 10212 transitions. Word has length 446 [2023-11-29 01:18:13,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:13,970 INFO L495 AbstractCegarLoop]: Abstraction has 7450 states and 10212 transitions. [2023-11-29 01:18:13,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 10212 transitions. [2023-11-29 01:18:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2023-11-29 01:18:13,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:13,978 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:13,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:18:13,978 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:13,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash 973096831, now seen corresponding path program 1 times [2023-11-29 01:18:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:13,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299902999] [2023-11-29 01:18:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:18:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:18:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:18:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:18:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:18:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:18:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:18:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:18:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:18:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:18:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:18:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:18:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:18:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:18:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:18:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:18:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:18:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:18:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:18:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:18:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:18:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:18:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:18:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:18:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:18:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:18:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:18:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:18:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:18:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:18:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:18:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:18:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:18:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:18:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:18:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:18:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:18:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:18:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-29 01:18:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-29 01:18:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-29 01:18:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-29 01:18:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-11-29 01:18:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-29 01:18:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-29 01:18:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-29 01:18:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-29 01:18:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 01:18:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-11-29 01:18:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:18:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2023-11-29 01:18:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-11-29 01:18:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-29 01:18:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2023-11-29 01:18:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2023-11-29 01:18:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2023-11-29 01:18:14,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:14,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299902999] [2023-11-29 01:18:14,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299902999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:14,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:14,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 01:18:14,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832819430] [2023-11-29 01:18:14,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:14,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:18:14,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:14,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:18:14,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:18:14,858 INFO L87 Difference]: Start difference. First operand 7450 states and 10212 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:20,690 INFO L93 Difference]: Finished difference Result 8783 states and 12306 transitions. [2023-11-29 01:18:20,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:20,690 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 448 [2023-11-29 01:18:20,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:20,709 INFO L225 Difference]: With dead ends: 8783 [2023-11-29 01:18:20,709 INFO L226 Difference]: Without dead ends: 8496 [2023-11-29 01:18:20,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2023-11-29 01:18:20,714 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 2230 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 1294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 6192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1294 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:20,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 4256 Invalid, 6192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1294 Valid, 4898 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 01:18:20,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8496 states. [2023-11-29 01:18:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8496 to 7238. [2023-11-29 01:18:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7238 states, 5088 states have (on average 1.3897405660377358) internal successors, (7071), 5156 states have internal predecessors, (7071), 1418 states have call successors, (1418), 729 states have call predecessors, (1418), 731 states have return successors, (1422), 1397 states have call predecessors, (1422), 1407 states have call successors, (1422) [2023-11-29 01:18:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 9911 transitions. [2023-11-29 01:18:21,397 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 9911 transitions. Word has length 448 [2023-11-29 01:18:21,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:21,397 INFO L495 AbstractCegarLoop]: Abstraction has 7238 states and 9911 transitions. [2023-11-29 01:18:21,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 9911 transitions. [2023-11-29 01:18:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2023-11-29 01:18:21,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:21,405 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:21,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:18:21,405 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:21,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:21,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1102667560, now seen corresponding path program 1 times [2023-11-29 01:18:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:21,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738424977] [2023-11-29 01:18:21,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:18:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:18:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:18:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:18:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:18:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:18:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:18:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:18:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:18:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:18:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:18:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:18:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:18:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:18:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:18:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:18:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:18:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:18:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:18:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:18:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:18:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:18:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:18:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:18:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:18:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:18:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:18:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:18:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:18:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:18:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:18:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:18:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:18:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:18:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:18:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:18:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:18:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:18:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-29 01:18:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-29 01:18:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-29 01:18:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-29 01:18:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-11-29 01:18:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-29 01:18:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-29 01:18:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-29 01:18:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-29 01:18:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-11-29 01:18:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-11-29 01:18:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-11-29 01:18:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-29 01:18:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:18:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-29 01:18:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2023-11-29 01:18:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-11-29 01:18:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2023-11-29 01:18:22,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:22,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738424977] [2023-11-29 01:18:22,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738424977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:22,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:22,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 01:18:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105432723] [2023-11-29 01:18:22,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:22,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:18:22,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:22,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:18:22,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:18:22,336 INFO L87 Difference]: Start difference. First operand 7238 states and 9911 transitions. Second operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:27,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:27,761 INFO L93 Difference]: Finished difference Result 8548 states and 11984 transitions. [2023-11-29 01:18:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 01:18:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 451 [2023-11-29 01:18:27,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:27,778 INFO L225 Difference]: With dead ends: 8548 [2023-11-29 01:18:27,779 INFO L226 Difference]: Without dead ends: 8479 [2023-11-29 01:18:27,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:18:27,783 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 2642 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 4307 mSolverCounterSat, 1790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 4307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:27,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 3924 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1790 Valid, 4307 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 01:18:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2023-11-29 01:18:28,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 7223. [2023-11-29 01:18:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 5081 states have (on average 1.3898838811257626) internal successors, (7062), 5147 states have internal predecessors, (7062), 1410 states have call successors, (1410), 728 states have call predecessors, (1410), 731 states have return successors, (1416), 1392 states have call predecessors, (1416), 1401 states have call successors, (1416) [2023-11-29 01:18:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 9888 transitions. [2023-11-29 01:18:28,453 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 9888 transitions. Word has length 451 [2023-11-29 01:18:28,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:28,453 INFO L495 AbstractCegarLoop]: Abstraction has 7223 states and 9888 transitions. [2023-11-29 01:18:28,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-29 01:18:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 9888 transitions. [2023-11-29 01:18:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2023-11-29 01:18:28,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:28,464 INFO L195 NwaCegarLoop]: trace histogram [16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:28,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:18:28,464 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:28,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash 532809308, now seen corresponding path program 1 times [2023-11-29 01:18:28,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:28,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380429845] [2023-11-29 01:18:28,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:18:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:18:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 01:18:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 01:18:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:18:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 01:18:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 01:18:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 01:18:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 01:18:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 01:18:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 01:18:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 01:18:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 01:18:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 01:18:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 01:18:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 01:18:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 01:18:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 01:18:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 01:18:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 01:18:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 01:18:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 01:18:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 01:18:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 01:18:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 01:18:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-29 01:18:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 01:18:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 01:18:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 01:18:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 01:18:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 01:18:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 01:18:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 01:18:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 01:18:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 01:18:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 01:18:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 01:18:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 01:18:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 01:18:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-29 01:18:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-29 01:18:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-29 01:18:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-29 01:18:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-11-29 01:18:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-29 01:18:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-29 01:18:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-29 01:18:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-29 01:18:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-29 01:18:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 01:18:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 01:18:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 01:18:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-29 01:18:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2023-11-29 01:18:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-11-29 01:18:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2023-11-29 01:18:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-11-29 01:18:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2023-11-29 01:18:29,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:29,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380429845] [2023-11-29 01:18:29,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380429845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:29,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:29,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 01:18:29,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621964755] [2023-11-29 01:18:29,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:29,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:18:29,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:29,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:18:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:18:29,439 INFO L87 Difference]: Start difference. First operand 7223 states and 9888 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (51), 10 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-29 01:18:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:35,615 INFO L93 Difference]: Finished difference Result 8487 states and 11767 transitions. [2023-11-29 01:18:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:18:35,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (51), 10 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 461 [2023-11-29 01:18:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:35,617 INFO L225 Difference]: With dead ends: 8487 [2023-11-29 01:18:35,617 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:18:35,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2023-11-29 01:18:35,627 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 3237 mSDsluCounter, 3483 mSDsCounter, 0 mSdLazyCounter, 4436 mSolverCounterSat, 2091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3237 SdHoareTripleChecker+Valid, 4048 SdHoareTripleChecker+Invalid, 6527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2091 IncrementalHoareTripleChecker+Valid, 4436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:35,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3237 Valid, 4048 Invalid, 6527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2091 Valid, 4436 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-29 01:18:35,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:18:35,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:18:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:18:35,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 461 [2023-11-29 01:18:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:35,630 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:18:35,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (51), 10 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-29 01:18:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:18:35,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:18:35,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:18:35,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 01:18:35,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:18:47,812 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 77 DAG size of output: 60 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)